Trading on Tuesday produced a wide mix of winners and losers as company-specific news and broader market dynamics pushed many names sharply higher or lower. Declines were concentrated among several large-cap semiconductor stocks and parts of the software sector, while individual mid- and small-cap announcements sparked outsized rallies in select issues.
Mega-Cap Movers (Market Cap: $200 billion USD or higher)
- Micron Tech (MU); Micron ships 256GB low-power memory samples for AI servers -7.17%
- Applied Matls Inc (AMAT) -5.17%
- Lam Research Corp (LRCX) -5.15%
- Kla-tencor Corp (KLAC) -4.86%
- Intel Corp (INTC) -4.84%
- Alibaba-exch (BABA); US Mulls Capping Nvidia H200 Sales At 75,000 Per Chinese Buyer - Bloomberg -4.4%
- Caterpillar (CAT) -3.9%
- Philip Morris Intl (PM) -3.33%
- Adv Micro Device (AMD); US Mulls Capping Nvidia H200 Sales At 75,000 Per Chinese Buyer - Bloomberg -3.35%
- General Electric (GE) -2.84%
The largest mega-cap declines were centered in semiconductor equipment and memory-related names, with Micron down after the company shipped low-power 256GB samples for AI server use, and other chipmakers and equipment suppliers posting mid-single-digit losses.
Large-Cap Stock Movers (Market Cap: $10-$200 billion USD)
- MongoDB (MDB); MongoDB stock plunges 20% on weak guidance, despite Q4 earnings, revenue beat -19.49%
- Sea Limited (SE) -16.52%
- Credo Technology Holding (CRDO); Credo Technology shares tumble 10% despite better-than-expected Q3 results -13.84%
- Hecla Mining Comp (HL) -12.65%
- AngloGold Ashanti Ltd (AU) -11.38%
- Coeur dAlene Mines Corp (CDE) -10.97%
- Rambus Inc (RMBS) -10.6%
- Regencell Bioscience Holdings (RGC) -9.58%
- AeroVironment (AVAV); AeroVironment in talks with Space Force on SCAR contract terms +11.02%
- Pinterest Inc (PINS) +9.58%
Among large-caps, MongoDB was the standout decliner after the company issued weak guidance even as it reported a quarterly earnings and revenue beat. The large-cap list also included mining names with notable drops and a couple of positive movers tied to contract discussions and platform momentum.
Mid-Cap Stock Movers (Market Cap: $2-$10 billion USD)
- Plug Power (PLUG); Plug Power names Jose Luis Crespo as new CEO +28.73%
- Kontoor Brands (KTB); Kontoor Brands beats estimates on strong Helly Hansen addition +21.07%
- Ingram Micro Holding Ltd (INGM); Ingram Micro posts strong Q4 revenue growth, shares shoot up 10% +14.89%
- Rackspace Technology Inc (RXT) +15.54%
- StoneCo Ltd (STNE) -15.56%
- Surgery Partners Inc (SGRY) -14.11%
- Alamo Group Inc (ALG); Alamo Group posts disappointing Q4 results, shares edge lower -13.92%
- Mudrick Capital A (HYMC) -13.48%
- AXT Inc (AXTI) -12.44%
- Polestar Automotive Holding Plc (PSNY) -10.89%
Mid-cap action was mixed, with Plug Power rallying sharply after a top-management change and Kontoor Brands posting gains tied to its Helly Hansen addition. Ingram Micro drew a notable positive reaction after strong quarterly revenue growth, while several other mid-cap names moved lower on reported results or broader selling.
Small-Cap Stock Movers (Market Cap: $300 million - $2 billion USD)
- j2 Global (ZD); Ziff Davis to sell Connectivity division to Accenture for $1.2B +58.05%
- Braiin (BRAI) +38.39%
- Paysafe (PSFE); Paysafe surges over 9% on strong earnings beat despite revenue miss +21.42%
- Tree.com (TREE) +21.28%
- Rackspace Technology Inc (RXT) +15.54%
- Cerus Corp (CERS); Cerus falls 7% after posting in-line Q4 earnings, revenue beat -15.02%
- Uniqure Nv (QURE); Mizuho downgrades uniQure stock rating on regulatory hurdles -14.57%
- ThredUp (TDUP) -21.26%
- Imprimis Pharmaceuticals Inc (HROW); FDA clears Harrow’s Phase 3 trial for post-cataract surgery drug -24.47%
- Theravance Biopharma Inc (TBPH); Theravance to cut costs 60% after drug trial fails primary endpoint -26.7%
In the small-cap universe, corporate transactions and clinical trial developments drove some of the biggest moves. j2 Global leapt after an announced sale of a division, while several biopharma names moved lower following regulatory updates or trial outcomes referenced in company statements.
This roundup reflects the largest percentage changes called out across market-cap groupings for Tuesday. The shifts underscore how company announcements - from product sampling and guidance to leadership changes and transaction news - can produce rapid re-pricing across market-cap segments.