道指跌245.96点，跌幅为0.51%，报48458.05点；纳指跌398.69点，跌幅为1.69%，报23195.17点；标普 500指数跌73.59点，跌幅为1.07%，报6827.41点。 近期的下跌导致标普500指数和纳斯达克本周走低，前者下跌0.63%，后者跌幅为1.62%。道指实现周线 上涨，本周上涨1.05%。 标普500和纳斯达克受到博通股价下跌11.4%的拖累，一些分析师认为这是出于对利润率压缩的担忧。 该公司公布2025财年营收达640亿美元，并提到730亿美元的人工智能积压订单，但股价因公司对人工智 能业务毛利率较低及缺乏2026财年人工智能预测的评论而下跌。 随着人工智能相关交易面临更大压力，包括英伟达、AMD、Palantir Technologies和美光科技（Micron） 在内的股票也随博通一同下跌。 而金融、医疗保健和工业等其他板块的股票则获得提振。在这些行业中，Visa、万事达卡 （Mastercard）、联合健康集团（UnitedHealth Group）和GE航空航天公司（GE Aerospace）表现领先。 北京时间12月13日凌晨，美股周五收跌，科技股跌幅领先，纳指 ...

Market Overview - The S&P 500 is experiencing a weak start with around 20% of its stocks in the green, indicating mixed market sentiment [1] - Information technology remains a leading sector, contributing positively to the market cap weighted index [2] - Key resistance level is identified at 6,000, with support levels at 6,570 and 6,540 [3] Options and Volatility - Next week marks the quarterly options expiration, expected to generate significant volume across indices and equities [4] - The VIX expiration is also on the radar, with the last trading day on Tuesday, potentially leading to increased market activity [5][16] - Current VIX is at 14.64, indicating low volatility, but an uptick is anticipated as the expiration approaches [15][16] Crude Oil Market - Developments in the crude oil market include Ukraine targeting a major Russian export facility, which may impact global supply [7][8] - Oil is currently in a technical triangle formation, with significant support around $61, and the market is observing for potential breakout or breakdown [8][9] - Ongoing geopolitical tensions, particularly involving Russia and Venezuela, could exert upward pressure on oil prices [9][10] Healthcare Sector - The healthcare sector is showing strength, with the XLV ETF attempting to break through the 200-day moving average, a key resistance level since November of the previous year [11][12] - There is a rotation trade benefiting healthcare, despite previous negative sentiment surrounding GLP-1 drugs [14] - The sector's performance could provide significant runway for the S&P 500 if it successfully transitions the 200-day moving average from resistance to support [13][14]