Stock Markets May 12, 2026 10:32 AM

Broad Market Volatility Sees Qualcomm, SanDisk Slide as Select Tech and Small-Caps Rally

Mega-cap semiconductor names weaken while earnings beats and guidance lifts several large-, mid- and small-cap stocks

By Maya Rios QCOM SNDK INTC ORCL AMAT

Tuesdays trading produced wide swings across market-cap segments. Several mega-cap technology and semiconductor names posted notable declines, led by Qualcomm and SanDisk, while individual companies from large-, mid- and small-cap cohorts registered double-digit gains on earnings beats, raised outlooks or other company-specific headlines. The session highlights underscore ongoing dispersion within technology and industrial-related stocks.

Broad Market Volatility Sees Qualcomm, SanDisk Slide as Select Tech and Small-Caps Rally
QCOM SNDK INTC ORCL AMAT

Key Points

  • Mega-cap semiconductor and technology names led declines, with Qualcomm down 9.27% and SanDisk down 7.59%, illustrating sector-specific softness.
  • Earnings beats and raised guidance propelled several large- and mid-cap stocks, including Zebra Technologies (+18.88%), PACS Group (+23.04%) and Venture Global (+10.28%).
  • Small-cap stocks exhibited the largest intraday percentage swings, with Ambiq Micro up 32.47% and ZoomInfo Technologies down 31.54%, highlighting higher volatility and company-specific sensitivity in smaller names.

Tuesday's session featured pronounced divergences among major and smaller listed companies, with some high-profile technology and semiconductor names pulling back while a set of companies posted sharp rallies tied to earnings or guidance updates.


Mega-cap movers (Market cap: $200B+)

The largest-cap group was dominated by declines among semiconductor and related technology firms. Highlights included:

  • Qualcomm (QCOM): -9.27%
  • SanDisk (SNDK): -7.59%
  • Intel (INTC): -6.49%
  • Oracle (ORCL): -4.64%
  • Applied Materials (AMAT): -4.43%
  • Micron Technology (MU): -5.71%
  • Lam Research (LRCX): -3.79%
  • KLA-Tencor (KLAC): -3.43%
  • Analog Devices (ADI): -2.58%
  • Advanced Micro Devices (AMD): -2.81%

These moves left many large semiconductor names in the red for the day, contributing to weakness at the upper end of the market-cap spectrum.


Large-cap movers (Market cap: $10-$200B)

Within the large-cap cohort, several stocks rose sharply on earnings or outlook-related news, while others fell after analyst actions or other company developments:

  • Zebra Technologies (ZBRA): +18.88% - stock surged after beating earnings and raising outlook.
  • Sea Limited (SE): +11.14%.
  • Venture Global (VG): +10.28% - rose after a strong Q1 earnings beat.
  • Aramark Holdings (ARMK): +8.63% - company beat Q2 estimates with revenue growth of 15%.
  • FormFactor (FORM): -13.11% - downgraded by Craig-Hallum on earnings potential.
  • New Providence Acquisition Corp (ASTS): -12.25%.
  • AECOM Technology (ACM): -11.18% - despite beating estimates and raising guidance on a record backlog.
  • CoreWeave (CRWV): -8.6%.
  • Pure Storage (P): -7.18%.
  • Insmed (INSM): +6.56%.

Mid-cap movers (Market cap: $2-$10B)

Mid-cap activity included notable winners tied to earnings beats and guidance, alongside some sizable declines:

  • Quantum Computing (QUBT): +20.92%.
  • PACS Group (PACS): +23.04% - surged on earnings and raised guidance.
  • Ralliant (RAL): +14.57% - shares rose nearly 6% after the company raised guidance despite an earnings miss.
  • Sun Hydraulics (HLIO): +13.35% - rose after posting an earnings beat and strong guidance.
  • GSI Group (NOVT): +9.19%.
  • Under Armour (UAA): -18.4%.
  • Fluence Energy (FLNC): -15.77% - company stockholders launched a 20 million share offering.
  • Fundrise Innovation Fund (VCX): -12.91%.
  • Camtek (CAMT): -14.7%.

Small-cap movers (Market cap: $300M-$2B)

Smaller capitalization stocks showed some of the largest percentage moves on the day, both to the upside and downside:

  • Ambiq Micro (AMBQ): +32.47%.
  • Vestis (VSTS): +30.54% - edged higher on a raised outlook despite a Q2 earnings miss.
  • Vishay Precision Group (VPG): +25.26% - rose after beating estimates driven by strong bookings.
  • 3D Systems (DDD): +17.73% - reported Q1 revenue of $95.5M and narrowed its loss.
  • Rigel Pharmaceuticals (RIGL): +13.78%.
  • ZoomInfo Technologies (GTM): -31.54% - tumbled on a revenue guidance miss.
  • Tuscan Holdings (MVST): -29.46%.
  • Destiny Tech100 (DXYZ): -22.17%.
  • Graphite Bio (LENZ): -19.42%.
  • ASTX (ASTX): -0.61%.

Context and takeaways

The session illustrated a clear divergence between broad weakness in some large semiconductor and technology names and isolated strength among companies reporting better-than-expected results or raising guidance. Earnings-related beats and upgraded outlooks were the most visible drivers for several large- and mid-cap gainers, whereas share offerings, analyst rating actions and company-specific announcements appeared to weigh on selected names.

Market participants should note:

  • Several stocks rallied following clearly stated earnings beats and raised guidance - this was particularly evident among large- and mid-cap companies.
  • Semiconductor and related technology mega-caps were broadly weaker, contributing to concentrated downside moves in that sector.
  • Smaller caps delivered the most extreme percentage moves in both directions, reflecting sensitivity to company-specific news and lower liquidity.

For readers tracking intraday action, the lists above summarize prominent movers by market-cap segment for the trading day.

Risks

  • Sector concentration risk - the semiconductor and related technology group experienced broad declines, which could weigh on sector-specific portfolios.
  • Company-specific execution risk - share offerings, analyst downgrades and guidance misses (for example Fluence Energy and FormFactor) drove sizable negative moves in affected names.
  • Liquidity and volatility risk in small-caps - the largest percentage moves were concentrated in smaller capitalization stocks, indicating higher price sensitivity to company news.

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