Tuesday’s trading session is displaying significant movements in stocks across the board, with mega-cap stocks like Nvidia Corp (NASDAQ: NVDA ) and United Health Group (NYSE: UNH ) making headlines, while large-cap stocks such as First Solar Inc (NASDAQ: FSLR ) are also experiencing notable volatility. Here’s a look at some of the top performers and decliners in today’s market from the mega to small-cap categories.

Mega-Cap Movers (Market Cap $200B+):

- UnitedHealth Group (UNH): Leadership Transition; -14.76%

- Nvidia Corp (NVDA): US Mulls Large Chip Sale To Emirati Ai Firm G42 - NYT; +4.94%

- Palantir Technologies Inc (NASDAQ: PLTR ): +4.04%

- Merck & Co (NYSE: MRK ): Research on Novel Treatment Approaches to be Presented at ASCO 2025; -3.56%

- Avago Technologies (NASDAQ: AVGO ): Growing Prevalence of Cyber Threats; +3.2%

- Johnson & Johnson (NYSE: JNJ ): -2.64%

- Amazon Com Inc (NASDAQ: AMZN ): New partnership with FedEx (NYSE: FDX ) after UPS pullback; +2.73%

- Facebook Inc (NASDAQ: META ): +2.12%

- Oracle Corp (NYSE: ORCL ): Oracle and Entanglement Partner to Deliver Advanced Security; +2.09%

Large-Cap Stock Movers (Market Cap $10B-$200B):

- First Solar Inc (FSLR): +19.72%

- Coinbase Global (NASDAQ: COIN ): Thumzup plans $500 million raise to boost Bitcoin holdings; +15.77%

- Tempus AI (TEM): +8.52%

- Coherent (NYSE: COHR ): +10.2%

- Oaktree Acquisition Corp (NYSE: HIMS ): +9.47%

- On Holding (ONON): On Reports First Quarter 2025 Results; +8.06%

- Venture Global Inc (VG): Venture Global reports mixed Q1 results, updates 2025 outlook; +5.95%

- Robinhood Markets (NASDAQ: HOOD ): Mogo backs Robinhood’s acquisition of WonderFi; +6.69%

- Humana Inc (NYSE: HUM ): CenterWell Specialty Pharmacy Takes National Patient Choice Award; -7.12%

- Super Micro Compu (NASDAQ: SMCI ): Supermicro launches servers with AMD (NASDAQ: AMD ) EPYC 4005 CPUs; +12.44%

Mid-Cap Stock Movers (Market Cap $2B-$10B):

- Halozyme Therapeutics (NASDAQ: HALO ): -25.56%

- Archer Aviation (ACHR): Archer Aviation stock soars 4.2% after beating earnings estimates; +23.24%

- Hertz Global Holdings NAQ (NASDAQ: HTZ ): Hertz shares tumble over 8% as Q1 results miss estimates, revenue declines; -19.31%

- Sunrun Inc (NASDAQ: RUN ): +15.97%

- Nuscale Power (SMR): NuScale Power reports Q1 revenue surge, beats estimates; +16.08%

- Pony Ai Inc (PONY): -16.54%

- Oddity Tech (ODD): ODDITY Announces Block Trade of Class A Ordinary Shares; -12.96%

- Xenon Pharmaceuticals (NASDAQ: XENE ): Xenon Pharmaceuticals stock falls on delayed study results; -16.22%

- Nextracker (NXT): +11.8%

- Regencell Bioscience Holdings (RGC): +13.25%

Small-Cap Stock Movers (Market Cap $300M-$2B):

- Zhengye Biotechnology Holding (ZYBT): -48.46%

- Tuscan Holdings Corp (MVST): Microvast Reports First Quarter 2025 Financial Results; +30.96%

- CONL (CONL): +31.37%

- Inflection Point Acquisition (LUNR): Intuitive Machines stock soars nearly 6% as Q1 revenue jumps 14%; +25.74%

- 3D Systems Corporation (NYSE: DDD ): 3D Systems Reports First Quarter 2025 Financial Results; -24.9%

- Ambac Financial Group Inc (NYSE: AMBC ): Ambac Reports First Quarter 2025 Results; -26.11%

- Array Technologies Inc (NASDAQ: ARRY ): +22.15%

- Shoals Technologies Group (SHLS): +16.88%

- Exodus Movement (EXOD): Exodus Reports First Quarter 2025 Results; -17.56%

- NetClass Tech (NTCL): -19.97%

For real-time, market-moving news, join Investing Pro.

This article was generated with the support of AI and reviewed by an editor. For more information see our T&C.