午后CPO概念涨幅扩大，紫光股份4日斩获3板，云计算ETF（159890）受提振一度涨逾4%！

新浪基金03-01

热点栏目自选股数据中心行情中心资金流向模拟交易客户端　　3月1日午后，CPO（光模块）涨势强劲，紫光股份、浪潮信息涨停，值得注意的是，紫光股份近4个交易日已斩获3个涨停板。星环科技涨近17%，新易盛、科大讯飞、中国软件、国网信通等股跟涨。　　覆盖上述概念股的云计算ETF（159890）午后震荡上行，涨幅一度超4%，成交额近4900万元，已超昨日全天成交额。　　国盛证券指出...

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