Top Stock Movers – May 13, 2026
Wall Street saw sharp swings Wednesday as investors rotated back into AI and infrastructure names while several software and consumer companies suffered steep post-earnings declines. Traders continued watching inflation risks, rising oil prices, and expectations for Federal Reserve policy.
The biggest moves came from cloud computing, healthcare tech, retail apparel, and semiconductor stocks, with several names moving more than 10%.
Biggest Winners
Rackspace Technology (NASDAQ: RXT) soared 35% after the company posted stronger-than-expected enterprise cloud demand and upbeat guidance tied to AI infrastructure spending.
Vestis (NYSE: VSTS) jumped 29% following earnings that beat Wall Street expectations and improved margin forecasts.
PACS Group (NYSE: PACS) rallied 28.5% as investors reacted positively to strong revenue growth and expansion plans.
Sea Limited (NYSE: SE) climbed 13% after reporting accelerating e-commerce and gaming revenue growth across Southeast Asia.
Biggest Losers
ZoomInfo Technologies (NASDAQ: ZI) plunged 33% after cutting its full-year sales outlook, triggering heavy selling across software stocks.
Under Armour (NYSE: UAA) dropped 17% as weak guidance and restructuring concerns weighed on investor sentiment.
Hims & Hers Health (NYSE: HIMS) sank 14% after reporting a surprise quarterly loss despite raising revenue guidance.
Qualcomm (NASDAQ: QCOM) fell 11% as investors locked in profits following the recent AI-fueled semiconductor rally.
GitLab (NASDAQ: GTLB) slid 10% after announcing layoffs and restructuring tied to its AI-focused transition strategy
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