Stock Markets March 31, 2026

Stocks Swing Across Market Caps as Nvidia, Marvell, and Several Tech Names Lead Gains

Mega-cap technology names headline broad Tuesday moves while select small-cap healthcare and energy names see sharp declines

By Hana Yamamoto NVDA GOOGL META PLTR ORCL
Stocks Swing Across Market Caps as Nvidia, Marvell, and Several Tech Names Lead Gains
NVDA GOOGL META PLTR ORCL

Tuesday’s trading session produced notable volatility across market-cap segments. Large technology firms and several chip-related names posted meaningful gains after corporate announcements, while a subset of small-cap and energy-related stocks dropped sharply following earnings and guidance updates. The following recap catalogs the largest movers by market-cap bracket and highlights the key corporate items behind some of the moves.

Key Points

  • Large technology and semiconductor-related names led gains, with Nvidia investing $2 billion in Marvell and forming an AI infrastructure partnership.
  • CoreWeave secured an $8.5 billion credit facility to fund AI cloud expansion, supporting a strong uptick in its stock.
  • Several small-cap healthcare and energy-related stocks posted sizable declines following earnings misses, guidance reductions, and operational updates.

Trading on Tuesday delivered a mix of rallies and pullbacks across the market spectrum, with winners clustered among large-cap technology and semiconductor-linked stocks and losers concentrated in several small-cap names. Below is a market-cap segmented review of the largest percentage movers, along with the specific news items cited for several of the moves.


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

  • Nvidia (NVDA) - Nvidia announced a $2 billion investment in Marvell and the formation of an AI infrastructure partnership; shares rose 4.4%.
  • Google (GOOGL) - Shares climbed 4.97% amid mention that Iran’s IRGC warned 18 U.S. tech companies including Microsoft and Apple.
  • Facebook (META) - Up 6.11%.
  • Palantir Technologies (PLTR) - Advanced 5.77%.
  • Oracle (ORCL) - Oracle said it launched a cloud offering for defense contractors collaboration; stock increased 4.83%.
  • Lam Research (LRCX) - Gained 5.22%.
  • GE Vernova (GEV) - Rose 5.4%.
  • Caterpillar (CAT) - Climbed 5.25%.
  • Intel (INTC) - Advanced 5.45% in the context of reports that Iran’s IRGC warned 18 U.S. tech companies including Microsoft and Apple.
  • Avago Technologies (AVGO) - Up 4.72%.

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

  • Marvell Technology Group (MRVL) - Jumped 12.53% following the Nvidia investment announcement.
  • Vector Acquisition (RKLB) - Up 11.29% as Rocket Lab received approval to acquire Mynaric in April.
  • Bloom Energy (BE) - Increased 10.88%.
  • New Providence Acquisition Corp (ASTS) - Rose 10.84%.
  • Coeur d'Alene Mines (CDE) - Up 11.06%.
  • CoreWeave (CRWV) - Closed an $8.5 billion credit facility to expand its AI cloud business; shares rose 9.64%.
  • Yandex (NBIS) - Climbed 9.55%.
  • NIO Inc (NIO) - Advanced 8.98%.
  • Roblox Corp (RBLX) - Up 8.85%.
  • Summit Therapeutics (SMMT) - Increased 10.01%.

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

  • Apellis Pharma (APLS) - Soared 135.61%.
  • Centessa Pharmaceuticals ADR (CNTA) - Jumped 44.96%; Wolfe Research downgraded Centessa’s stock rating in connection with a Lilly deal.
  • Fly Leasing (FLY) - Increased 18.8%.
  • Kodiak Sciences (KOD) - Up 16.37%.
  • Alkermes (ALKS) - Gained 15.09%.
  • NantKwest (IBRX) - Rose 14.64%; ImmunityBio secured $75 million in funding and converted $25 million of debt to equity as noted alongside this move.
  • Mudrick Capital A (HYMC) - Increased 13.49%.
  • Fundrise Innovation Fund (VCX) - Up 13.14%.
  • Immunome (IMNM) - Gained 12.02%.
  • Wildhorse Resource Development (WRD) - Increased 15.47%.

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

  • Rumble Inc (RUMBW) - Up 23.53%.
  • Aehr Test Systems (AEHR) - Received an order for silicon photonics testing; shares rose 21.38%.
  • Critical Metals (CRML) - Reported a 40% boost in rare earth concentrate grade; stock climbed 20.39%.
  • Agios Pharm (AGIO) - Announced plans to pursue accelerated approval for mitapivat in sickle cell disease; shares rose 17.16%.
  • Phreesia Inc (PHR) - The company’s shares were described as tumbling 22% on an earnings miss and slashed guidance; the reported decline in the list totaled -30.67%.
  • Hospitality Properties Trust (SVC) - Down 25.98%.
  • Greenland Energy (GLND) - Fell 23.18%.
  • Studio City International Holdings (MSC) - Decreased 21.4%.
  • TECO Energy (TE) - Off 21.98%.
  • Vine Hill Capital Investment (VCIC) - Declined 19.63%.

This session featured sector-specific drivers: semiconductor and AI infrastructure moves were prominent among mega- and large-cap gainers, while small-cap weakness was notable in select healthcare and energy names. The list above isolates the largest percentage movers and quotes the corporate developments that were cited alongside several of the moves.

Risks

  • Earnings misses and reduced guidance can trigger steep declines in small-cap stocks, as seen in the case of Phreesia; this impacts the small-cap and healthcare sectors.
  • Corporate and geopolitical developments cited alongside major tech names (for example, warnings involving U.S. tech firms) can add volatility to large-cap technology and semiconductor stocks.
  • Credit and capital-raising dynamics in AI infrastructure plays can materially shift investor sentiment for related large-cap and mid-cap companies.

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