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摘要：①美股周三收盘涨跌不一，道指涨0.25%再创新高实现6连涨；②周三美油收高0.8%，布油上涨0.4%；③ 美国国债收益率突破关键水平 ；④世卫组织：德尔塔和奥密克戎毒株对全球疫情造成“双重威胁”

截至周一，以科技股为主的纳斯达克综合指数全年上涨23%，落后于标普500指数近28%的涨幅。标普500指数最近两次跑赢纳指发生在2016年和2011年。周一美股全线上涨，标普500指数攀升至历史新高。在标普板块500指数中，今年表现最好的是能源，反映了汽油价格的飙升。科技板块也紧随其后，主要是因为苹果和微软等大型企业表现良好，在整体标普500指数中占到很大比例。根据该指数，凤凰城房价上涨32%。

Dec 28 - The S&P 500closed slightly lower after hitting a record intraday high on Tuesday, as a four-day rally lost steam in thin trading and investors weighed Omicron-driven travel disruptions and store closures.The Centers for Disease Control and Prevention on Monday shortened the recommended isolation time for Americans with asymptomatic cases of COVID-19 to five days from the previous guidance of 10 days.The update follows approvals for new pills and more vaccines to fight COVID-19. It hel

　　美国监管机构给予辉瑞新冠口服药紧急使用授权，可用于患严重并发症风险较高的人群，在疫情关键时刻带来了更方便的治疗选择。　　辉瑞Paxlovid成为首款获监管授权的新冠家庭用药。　　在一项Paxlovid大型临床试验中，未接种疫苗的高风险患者出现症状三天内用药，将住院情况减少了89%。辉瑞曾表示，在临床试验中，该药物与安慰剂产生的不良反应相似。

土耳其里拉上演疯狂过山车 埃尔多安新政大幅拉升里拉汇率土耳其里拉飙升，从纪录低点反弹。追踪的31种主要货币中，里拉周一涨幅居首。埃尔多安政府周一宣布了一系列措施，其中包括推出一项新的计划，保护储蓄额免受本币波动的影响。埃尔多安在安卡拉主持召开内阁会议后表示，如果里拉兑硬通货的跌幅超过银行承诺的利率，政府将弥补里拉存款持有人的损失。“当前的疫情状况极其难以举办全球性面对面的会议，”WEF表示。

Summary Sea Limited stock has been battered recently as growth stocks sold off massively in the mar

One of the reasons that $Roku Inc(ROKU)$ stock price plunged recently, is the concerningof losing Youtube TV App after receiving anticompetitive demands from $Alphabet(GOOG)$ including requests for preferential treatment. It has sunk 22% in one month before last trading day. However, on Dec.8th, the two companies has competed in a number of areas and their carriage agreement. The new three-year deal could be beneficial for both companies given the large runway within connected TV (CTV) and their potential

The main event for investors this week will be the Federal Reserve’s rate-setting committee’s last meeting of 2021. Recent commentary from officials has leaned more hawkish, setting up a potential announcement of plans to accelerate monthly asset purchase tapering.The Federal Open Market Committee’s two-day meeting takes place on Tuesday and Wednesday.Earnings reports this week are few, but will include Campbell Soup on Tuesday;Lennar,Accenture,FedEx,Rivian Automotive, and Adobe on Thursday; and

PLTR stock is trading in the teens for only the second time in 2021