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SMTC 先科电子
盘后交易 03-09 18:38:18 EDT
85.14
+3.12
+3.80%
盘后
84.05
-1.09
-1.28%
18:24 EDT
最高
85.41
最低
78.12
成交量
206.03万
今开
80.97
昨收
82.02
日振幅
8.88%
总市值
78.79亿
流通市值
72.86亿
总股本
9,254万
成交额
1.68亿
换手率
2.41%
流通股本
8,557万
市净率
--
ROE
--
每股收益
0.00
52周最高
--
52周最低
--
市盈率
--
股息
--
股息收益率
--
ROA
--
分时
五日
日K
周K
月K
数据加载中...
北京优虎网络科技有限公司
资讯
新帖
简况
财报前瞻｜先科电子本季度营收预计增9.62%，毛利走向成关键
财报Agent · 03-09 10:13
财报前瞻｜先科电子本季度营收预计增9.62%，毛利走向成关键
十三家行业巨头成立ACC-MSA 制定有源铜缆新标准
讯石光通讯 · 03-05
十三家行业巨头成立ACC-MSA 制定有源铜缆新标准
异动解读 | 先科电子盘中大跌10.78%，利润率和收入指引令投资者担忧
异动解读 · 2025-11-25
异动解读 | 先科电子盘中大跌10.78%，利润率和收入指引令投资者担忧
先科电子盘中异动 股价大涨5.00%报67.64美元
市场透视 · 2025-11-06
先科电子盘中异动 股价大涨5.00%报67.64美元
先科电子盘中异动 早盘急速拉升5.24%报68.68美元
市场透视 · 2025-10-13
先科电子盘中异动 早盘急速拉升5.24%报68.68美元
先科电子宣布完成3.5亿美元新可转换优先票据私人发行定价并置换现有票据
美股速递 · 2025-10-08
先科电子宣布完成3.5亿美元新可转换优先票据私人发行定价并置换现有票据
先科电子盘中异动 早盘大幅上涨5.59%
市场透视 · 2025-10-07
先科电子盘中异动 早盘大幅上涨5.59%
Semtech Corporation宣布拟进行3.5亿美元2030年到期可转换优先票据私募发行
美股速递 · 2025-10-07
Semtech Corporation宣布拟进行3.5亿美元2030年到期可转换优先票据私募发行
先科电子盘中异动 股价大跌5.04%
市场透视 · 2025-03-11
先科电子盘中异动 股价大跌5.04%
先科电子盘中异动 早盘快速下挫5.08%
市场透视 · 2025-03-06
先科电子盘中异动 早盘快速下挫5.08%
先科电子盘中异动 股价大跌5.12%报36.24美元
市场透视 · 2025-03-04
先科电子盘中异动 股价大跌5.12%报36.24美元
先科电子盘中异动 股价大涨5.05%
市场透视 · 2025-02-28
先科电子盘中异动 股价大涨5.05%
先科电子盘中异动 股价大跌5.14%报36.88美元
市场透视 · 2025-02-27
先科电子盘中异动 股价大跌5.14%报36.88美元
先科电子盘中异动 早盘急速上涨5.21%报38.74美元
市场透视 · 2025-02-26
先科电子盘中异动 早盘急速上涨5.21%报38.74美元
先科电子盘中异动 早盘股价大跌5.06%
市场透视 · 2025-02-12
先科电子盘中异动 早盘股价大跌5.06%
Stifel：维持Semtech(SMTC.US)评级，由买入调整至买入评级, 目标价由75.00美元调整至70.00美元。
金融界 · 2025-02-11
Stifel：维持Semtech(SMTC.US)评级，由买入调整至买入评级, 目标价由75.00美元调整至70.00美元。
异动解读 | 先科电子(SMTC)盘中重挫29.82% 主因CopperEdge业务预期下调
异动解读 · 2025-02-10
异动解读 | 先科电子(SMTC)盘中重挫29.82% 主因CopperEdge业务预期下调
先科电子盘中异动 股价大跌26.80%报39.90美元
市场透视 · 2025-02-10
先科电子盘中异动 股价大跌26.80%报39.90美元
异动解读 | CopperEdge产品前景下调 先科电子盘前暴跌29.37%
异动解读 · 2025-02-10
异动解读 | CopperEdge产品前景下调 先科电子盘前暴跌29.37%
Baird：维持Semtech(SMTC.US)评级，由优于大市调整至优于大市评级, 目标价由80.00美元调整至60.00美元。
金融界 · 2025-02-08
Baird：维持Semtech(SMTC.US)评级，由优于大市调整至优于大市评级, 目标价由80.00美元调整至60.00美元。
加载更多
公司概况
公司名称：
先科电子
所属市场：
NASDAQ
上市日期：
--
主营业务：
Semtech Corporation是一家领先的模拟和混合信号半导体产品供应商，于1960年在特拉华州注册成立。这家公司设计、制造和销售广泛的应用与高端消费、工业、计算产品和通讯终端市场的产品。这些高端消费市场包括手持式产品、平板电脑、机顶盒、数字电视、数字视频录像机和其他消费电子设备。工业市场的应用包括自动抄表、军事、航天航空、医疗、安防系统、汽车电子、工业和家庭自动化等工业设备。计算产品市场包括台式机、笔记本、服务器、图形卡、显示器、打印机和其他计算机周边设备。这家公司的目标是成为一家领先的模拟和混合信号半导体器件领域目标市场增长最快的供应商。
发行价格：
--
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| 先科电子盘中大跌10.78%，利润率和收入指引令投资者担忧","url":"https://stock-news.laohu8.com/highlight/detail?id=1103610217","media":"异动解读","labels":["movement"],"top":-1,"itemType":null,"share":"https://www.laohu8.com/m/news/1103610217?lang=zh_cn&edition=full","pubTime":"2025-11-25 22:46","pubTimestamp":1764081984,"startTime":"0","endTime":"0","summary":"先科电子今日盘中股价大跌10.78%，引发市场广泛关注。该公司最新财报和管理层指引引发了投资者对其未来增长前景的担忧。根据公司发布的最新财报，先科电子第三季度净销售额为2.67亿美元，略高于市场预期的2.6641亿美元。然而，公司对下一季度的收入指引令投资者失望。首席财务官Mark Lin在财报电话会议上表示，由于物联网组合的影响，公司的利润率增幅将不会太大。","market":"us","thumbnail":"","type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":"","theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-2","news_top_title":null,"news_tag":"movement","news_rank":0,"length":0,"strategy_id":0,"source":"ai_movement_cn","symbols":["SMTC"],"gpt_icon":0},{"id":"2581039097","title":"先科电子盘中异动 股价大涨5.00%报67.64美元","url":"https://stock-news.laohu8.com/highlight/detail?id=2581039097","media":"市场透视","labels":[],"top":-1,"itemType":null,"share":"https://www.laohu8.com/m/news/2581039097?lang=zh_cn&edition=full","pubTime":"2025-11-06 02:14","pubTimestamp":1762366498,"startTime":"0","endTime":"0","summary":"北京时间2025年11月06日02时14分，先科电子股票出现异动，股价急速拉升5.00%。截至发稿，该股报67.64美元/股，成交量40.2719万股，换手率0.46%，振幅5.32%。先科电子股票所在的半导体行业中，整体涨幅为1.54%。该公司经营四个可报告的部门：1) 信号完整性部门，2) 模拟混合信号和无线部门，3) 物联网系统部门和 4) 物联网连接服务部门，大部分收入来自模拟混合信号和无线部门。","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tencent","url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20251106021458a6e3d04e&s=b","rn_cache_url":null,"customStyle":"body{padding-top:10px;}#news_title{font-weight:bold;#titleStyle#;}#news_description span{font-size:12px;#descriptionStyle#;}.footer-note{#statement#}","selectors":".mod-LoadTzbdNews, body","filters":".relate-stock, .hot-list, .recom-box, 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物联网系统部门和 4) 物联网连接服务部门，大部分收入来自模拟混合信号和无线部门。","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tencent","url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN2025101321313494c69c9a&s=b","rn_cache_url":null,"customStyle":"body{padding-top:10px;}#news_title{font-weight:bold;#titleStyle#;}#news_description span{font-size:12px;#descriptionStyle#;}.footer-note{#statement#}","selectors":".mod-LoadTzbdNews, body","filters":".relate-stock, .hot-list, .recom-box, 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19:00","pubTimestamp":1759921238,"startTime":"0","endTime":"0","summary":"先科电子宣布完成3.5亿美元新可转换优先票据私人发行定价并置换现有票据","market":"us","thumbnail":"","type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":"","theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["BK4585","BK4588","SMTC","BK4141"],"gpt_icon":0},{"id":"2573703919","title":"先科电子盘中异动 早盘大幅上涨5.59%","url":"https://stock-news.laohu8.com/highlight/detail?id=2573703919","media":"市场透视","labels":[],"top":-1,"itemType":null,"share":"https://www.laohu8.com/m/news/2573703919?lang=zh_cn&edition=full","pubTime":"2025-10-07 21:30","pubTimestamp":1759843838,"startTime":"0","endTime":"0","summary":"北京时间2025年10月07日21时30分，先科电子股票出现波动，股价急速拉升5.59%。截至发稿，该股报71.98美元/股，成交量6.4911万股，换手率0.07%，振幅0.95%。先科电子股票所在的半导体行业中，整体涨幅为0.00%。其相关个股中，艾马克技术、美国超微公司、Poet Technologies Inc.涨幅较大，Sealsq Corp、Aehr Test Systems、Peraso Inc.较为活跃，换手率分别为3.44%、2.24%、1.16%，振幅较大的相关个股有旭明光电、Poet Technologies Inc.、Aehr Test Systems，振幅分别为4.65%、3.13%、2.88%。","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tencent","url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20251007213038a6afc6da&s=b","rn_cache_url":null,"customStyle":"body{padding-top:10px;}#news_title{font-weight:bold;#titleStyle#;}#news_description span{font-size:12px;#descriptionStyle#;}.footer-note{#statement#}","selectors":".mod-LoadTzbdNews, body","filters":".relate-stock, .hot-list, .recom-box, 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Corporation宣布拟进行3.5亿美元2030年到期可转换优先票据私募发行。","market":"us","thumbnail":"","type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":"","theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["SMTC","BK4585","BK4588","BK4141"],"gpt_icon":0},{"id":"2518720605","title":"先科电子盘中异动 股价大跌5.04%","url":"https://stock-news.laohu8.com/highlight/detail?id=2518720605","media":"市场透视","labels":[],"top":-1,"itemType":null,"share":"https://www.laohu8.com/m/news/2518720605?lang=zh_cn&edition=full","pubTime":"2025-03-11 01:06","pubTimestamp":1741626419,"startTime":"0","endTime":"0","summary":"北京时间2025年03月11日01时06分，先科电子股票出现异动，股价急速下挫5.04%。截至发稿，该股报31.81美元/股，成交量101.291万股，换手率1.18%，振幅4.35%。先科电子股票所在的半导体行业中，整体跌幅为4.99%。该公司经营四个可报告的部门：1) 信号完整性部门，2) 高级保护和传感部门，3) 物联网系统部门和 4) 物联网连接服务部门，大部分收入来自高级保护和传感产品部门。","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tencent","url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN202503110106599640614f&s=b","rn_cache_url":null,"customStyle":"body{padding-top:10px;}#news_title{font-weight:bold;#titleStyle#;}#news_description span{font-size:12px;#descriptionStyle#;}.footer-note{#statement#}","selectors":".mod-LoadTzbdNews, body","filters":".relate-stock, .hot-list, .recom-box, .wx-sou","directOrigin":true},"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN202503110106599640614f&s=b","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-1","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"tencent","symbols":["BK4141","BK4588","SMTC","BK4585"],"gpt_icon":0},{"id":"2517165106","title":"先科电子盘中异动 早盘快速下挫5.08%","url":"https://stock-news.laohu8.com/highlight/detail?id=2517165106","media":"市场透视","labels":[],"top":-1,"itemType":null,"share":"https://www.laohu8.com/m/news/2517165106?lang=zh_cn&edition=full","pubTime":"2025-03-06 22:31","pubTimestamp":1741271461,"startTime":"0","endTime":"0","summary":"北京时间2025年03月06日22时31分，先科电子股票出现异动，股价大幅下挫5.08%。截至发稿，该股报34.97美元/股，成交量2.8957万股，换手率0.03%，振幅0.22%。先科电子股票所在的半导体行业中，整体跌幅为2.57%。该公司经营四个可报告的部门：1) 信号完整性部门，2) 高级保护和传感部门，3) 物联网系统部门和 4) 物联网连接服务部门，大部分收入来自高级保护和传感产品部门。","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tencent","url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20250306223101963c4c5e&s=b","rn_cache_url":null,"customStyle":"body{padding-top:10px;}#news_title{font-weight:bold;#titleStyle#;}#news_description span{font-size:12px;#descriptionStyle#;}.footer-note{#statement#}","selectors":".mod-LoadTzbdNews, body","filters":".relate-stock, .hot-list, .recom-box, .wx-sou","directOrigin":true},"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20250306223101963c4c5e&s=b","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"tencent","symbols":["SMTC","BK4588","BK4585","BK4141"],"gpt_icon":0},{"id":"2516668732","title":"先科电子盘中异动 股价大跌5.12%报36.24美元","url":"https://stock-news.laohu8.com/highlight/detail?id=2516668732","media":"市场透视","labels":[],"top":-1,"itemType":null,"share":"https://www.laohu8.com/m/news/2516668732?lang=zh_cn&edition=full","pubTime":"2025-03-04 04:01","pubTimestamp":1741032091,"startTime":"0","endTime":"0","summary":"北京时间2025年03月04日04时01分，先科电子股票出现异动，股价快速下跌5.12%。截至发稿，该股报36.24美元/股，成交量121.626万股，换手率1.41%，振幅6.83%。先科电子股票所在的半导体行业中，整体跌幅为3.29%。该公司经营四个可报告的部门：1) 信号完整性部门，2) 高级保护和传感部门，3) 物联网系统部门和 4) 物联网连接服务部门，大部分收入来自高级保护和传感产品部门。","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tencent","url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20250304040131abe68e68&s=b","rn_cache_url":null,"customStyle":"body{padding-top:10px;}#news_title{font-weight:bold;#titleStyle#;}#news_description span{font-size:12px;#descriptionStyle#;}.footer-note{#statement#}","selectors":".mod-LoadTzbdNews, body","filters":".relate-stock, .hot-list, .recom-box, .wx-sou","directOrigin":true},"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20250304040131abe68e68&s=b","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-1","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"tencent","symbols":["BK4141","BK4585","BK4588","SMTC"],"gpt_icon":0},{"id":"2514237554","title":"先科电子盘中异动 股价大涨5.05%","url":"https://stock-news.laohu8.com/highlight/detail?id=2514237554","media":"市场透视","labels":[],"top":-1,"itemType":null,"share":"https://www.laohu8.com/m/news/2514237554?lang=zh_cn&edition=full","pubTime":"2025-02-28 23:14","pubTimestamp":1740755674,"startTime":"0","endTime":"0","summary":"北京时间2025年02月28日23时14分，先科电子股票出现波动，股价大幅拉升5.05%。截至发稿，该股报36.83美元/股，成交量47.3443万股，换手率0.55%，振幅7.30%。先科电子股票所在的半导体行业中，整体涨幅为0.58%。该公司经营四个可报告的部门：1) 信号完整性部门，2) 高级保护和传感部门，3) 物联网系统部门和 4) 物联网连接服务部门，大部分收入来自高级保护和传感产品部门。","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tencent","url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20250228231434989683c4&s=b","rn_cache_url":null,"customStyle":"body{padding-top:10px;}#news_title{font-weight:bold;#titleStyle#;}#news_description span{font-size:12px;#descriptionStyle#;}.footer-note{#statement#}","selectors":".mod-LoadTzbdNews, body","filters":".relate-stock, .hot-list, .recom-box, 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物联网系统部门和 4) 物联网连接服务部门，大部分收入来自高级保护和传感产品部门。","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tencent","url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN202502272300399632b75f&s=b","rn_cache_url":null,"customStyle":"body{padding-top:10px;}#news_title{font-weight:bold;#titleStyle#;}#news_description span{font-size:12px;#descriptionStyle#;}.footer-note{#statement#}","selectors":".mod-LoadTzbdNews, body","filters":".relate-stock, .hot-list, .recom-box, 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物联网系统部门和 4) 物联网连接服务部门，大部分收入来自高级保护和传感产品部门。","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tencent","url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20250226225433abddf2a7&s=b","rn_cache_url":null,"customStyle":"body{padding-top:10px;}#news_title{font-weight:bold;#titleStyle#;}#news_description span{font-size:12px;#descriptionStyle#;}.footer-note{#statement#}","selectors":".mod-LoadTzbdNews, body","filters":".relate-stock, .hot-list, .recom-box, 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Technologies、Sealsq Corp、Atomera Incorporated较为活跃，换手率分别为16.90%、4.41%、2.29%，振幅较大的相关个股有WiSA Technologies、Atomera Incorporated、Poet Technologies Inc.，振幅分别为21.05%、6.71%、5.04%。","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tencent","url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20250212223308a243548a&s=b","rn_cache_url":null,"customStyle":"body{padding-top:10px;}#news_title{font-weight:bold;#titleStyle#;}#news_description span{font-size:12px;#descriptionStyle#;}.footer-note{#statement#}","selectors":".mod-LoadTzbdNews, body","filters":".relate-stock, .hot-list, .recom-box, 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目标价由75.00美元调整至70.00美元。","market":"sh","thumbnail":"","type":0,"news_type":0,"thumbnails":[],"rights":null,"property":["rate"],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://24h.jrj.com.cn/2025/02/11013148064562.shtml","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-1","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"jinrongjie_stock","symbols":["SMTC"],"gpt_icon":0},{"id":"1142727892","title":"异动解读 | 先科电子(SMTC)盘中重挫29.82% 主因CopperEdge业务预期下调","url":"https://stock-news.laohu8.com/highlight/detail?id=1142727892","media":"异动解读","labels":["movement"],"top":-1,"itemType":null,"share":"https://www.laohu8.com/m/news/1142727892?lang=zh_cn&edition=full","pubTime":"2025-02-10 22:46","pubTimestamp":1739198806,"startTime":"0","endTime":"0","summary":"半导体供应商先科电子周一盘中重挫29.82%,引发市场高度关注。从公告信息来看,公司下调了CopperEdge产品2026财年的收入预测,预计全年收入将低于此前预期的5000万美元,主要原因是Nvidia调整了数据中心服务器架构,影响了对先科电子有源铜缆的需求前景。CopperEdge曾被视为先科电子重点发展的新产品线之一,其收入预期的下调无疑将对公司整体业绩产生较大影响。公司后续动向和CopperEdge业务能否重回正轨,将影响未来股价走势。","market":"hk","thumbnail":"","type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":"","theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-1","news_top_title":null,"news_tag":"movement","news_rank":0,"length":0,"strategy_id":0,"source":"ai_movement_cn","symbols":["SMTC"],"gpt_icon":0},{"id":"2510661008","title":"先科电子盘中异动 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20:36","pubTimestamp":1739190978,"startTime":"0","endTime":"0","summary":"半导体供应商先科电子(SMTC)周一盘前股价大跌29.37%,成为市场关注热点。\n先科电子在其最新文件中下调了CopperEdge产品2026财年的收入预期,预计该产品线全年收入将低于之前5000万美元的预测。主要原因在于Nvidia调整了数据中心机架架构,这将影响先科电子有源铜缆的需求前景。\n分析人士指出,CopperEdge曾被视为先科电子重点发展的新产品线之一,收入前景下调无疑将影响公司整体业绩表现,因此市场对此反应强烈。先科电子股价应声大跌29.37%,引发投资者担忧。","market":"hk","thumbnail":"","type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":"","theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-1","news_top_title":"异动解读 | CopperEdge产品前景下调 先科电子盘前暴跌29.37%","news_tag":"movement","news_rank":0,"length":0,"strategy_id":0,"source":"ai_movement_cn","symbols":["SMTC"],"gpt_icon":0},{"id":"2509729404","title":"Baird：维持Semtech(SMTC.US)评级，由优于大市调整至优于大市评级, 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