Stock Markets March 13, 2026

Stocks See Wide Swings; Micron and Lam Lead Gains as Consumer and Small Caps Slip

Semiconductor names post strength while select consumer and small-cap issues register sharp declines

By Avery Klein MU LRCX AMAT LLY
Stocks See Wide Swings; Micron and Lam Lead Gains as Consumer and Small Caps Slip
MU LRCX AMAT LLY

Trading on Friday produced notable price moves across market-cap tiers. Semiconductor-related names including Micron Technology (MU) and Lam Research (LRCX) were among the strongest performers, while consumer-facing and several small-cap companies recorded substantial declines. The day’s movers spanned mega-caps down to small-cap listings, with corporate actions and company-specific news cited alongside percentage changes in share prices.

Key Points

  • Semiconductor and equipment stocks led gains, with Micron (MU) and Lam Research (LRCX) among top performers.
  • Consumer-facing and several small-cap companies posted steep declines tied to outlooks, planned financings or analyst actions.
  • Corporate developments such as dividend increases, executive transitions and refinancing deals were connected to notable stock moves.

Stocks across market-cap segments experienced divergent performances on Friday, with technology and semiconductor-related issues climbing and a mix of consumer and small-cap names falling sharply. Below is a breakdown of some of the largest percentage movers of the session, organized by market-cap category and including company notes that accompanied the moves.


Mega-Cap Movers ($200 billion USD or higher)

  • Micron Tech (MU) +4.46%
  • Lam Research Corp (LRCX) +3.18%
  • Applied Matls Inc (AMAT) - Applied Materials raises quarterly dividend 15% to $0.53 +3.15%
  • Eli Lilly And Co (LLY) +1.79%

The largest-cap names showing intraday strength included memory and equipment suppliers, with Applied Materials also announcing a dividend increase alongside its share gain.


Large-Cap Stock Movers ($10-$200 billion USD)

  • PayPay Corp (PAYP) +17.79%
  • Ulta Salon Cosmetics & Fragrance (ULTA) -10.57%
  • Yandex (NBIS) +6.58%
  • Tower Semiconductor (TSEM) +6.51%
  • Intl Paper Co (IP) +5.3%
  • Amkor Technology (AMKR) +4.65%
  • Iris Energy (IREN) +4.34%
  • Western Digital (WDC) +3.63%
  • Adobe Sys Inc (ADBE) - Adobe CEO Shantanu Narayen to step down after 18 years -5.83%
  • Cf Industries (CF) -6.25%

Among large-cap names, payments and semiconductor-adjacent companies posted notable gains, while a leadership change at Adobe coincided with that stock’s decline.


Mid-Cap Stock Movers ($2-$10 billion USD)

  • VEON Ltd (VEON) +16.6%
  • Klarna (KLAR) - Klarna chairman buys $49.9M in shares, executives sell stock +13.1%
  • Cohen Circle Acquisition I (KYIV) +11.13%
  • Bitmine Immersion Tech (BMNR) +10.07%
  • NantKwest (IBRX) - ImmunityBio completes NK cell manufacturing programs +9.59%
  • Neptune Insurance Holdings Inc (NP) +9.9%
  • AXT Inc (AXTI) +8.9%
  • Netskope Inc (NTSK) +7.38%
  • Flame Acquisition (SOC) -10.63%
  • EverCommerce (EVCM) - Citizens downgrades EverCommerce stock rating on payments decline -11.95%

Mid-cap action included sizable moves tied to corporate insider activity and strategic updates, along with downgrades that pressured specific names.


Small-Cap Stock Movers ($300 million - $2 billion USD)

  • ARCA biopharma (ORKA) +20.38%
  • American Public Education (APEI) - American Public Education completes $130M credit refinancing +18.97%
  • El Pollo Loco Holdings Inc (LOCO) +18.2%
  • Karat Packaging (KRT) +14.34%
  • ETHU (ETHU) +12.57%
  • Once Upon a Farm Inc (OFRM) - Once Upon a Farm falls as 2026 revenue outlook disappoints -12.9%
  • Hallador Energy C (HNRG) - B.Riley upgrades Hallador Energy stock rating on PPA prospects -13.45%
  • PAR Technology Corp (PAR) - PAR Technology plans $225M convertible notes offering -14.61%
  • Babcock & Wilcox Enterprises (BW) -16.93%
  • Kindercare Learning Companies (KLC) - KinderCare shares tumble 23% on weak 2026 outlook -37.67%

Small-cap volatility was pronounced, with refinancing news and capital markets actions appearing alongside steep downward revisions to outlooks for a subset of companies.


Key takeaways

  • Semiconductor-focused names were among the day’s leaders, with MU, LRCX and several equipment suppliers recording gains.
  • Consumer and select small-cap companies experienced material declines, tied to outlooks, planned offerings or analyst actions.
  • Corporate announcements such as dividend increases, executive leadership changes and financing activities were linked to several of the price moves.

Risks and uncertainties

  • Company-specific outlooks can trigger sharp share-price declines in small caps, as illustrated by several firms that reported weaker forward views - this affects the small-cap and consumer sectors.
  • Leadership changes and analyst downgrades can weigh on large-cap stocks, exemplified by the negative reaction to a CEO departure and to a downgrade in the payments-related company - this impacts the technology and payments sectors.
  • Announcements of capital-raising activity or new debt instruments may depress shares even when other metrics are unchanged, as seen with convertible notes and refinancing reports - this affects capital markets and companies undergoing financing actions.

Market participants should note that the session’s moves were driven by a mix of corporate news and company-specific developments across sectors, from semiconductors to consumer and small-cap names.

Risks

  • Weak forward guidance can produce large share-price declines in small-cap and consumer companies, increasing volatility in those sectors.
  • Leadership changes and analyst downgrades may depress prices in large-cap technology and payments-related firms.
  • Planned capital raises or convertible note offerings can negatively affect share prices even when broader fundamentals remain unchanged.

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