Stocks closed mostly lowered on the holiday-shortened week, though small caps muscled a win with the RUT rallying more than 1%. Nvidia (NVDA) was behind a lot of the downside action as it faced multiple headwinds that plunged its stock more than 8%. TSMC (TSM) managed to shine as a bright spot for A.I. in its earnings, as did Netflix (NFLX) in the streaming space. Tom White turns to the week's biggest market movers.