Stock Markets May 27, 2026 02:03 PM

Stocks See Wide Swings; Qualcomm, Arm Lead Mega-Cap Declines While Dycom, Mandalay Rally

Major technology names fall as a range of mid- and small-cap issues post sharp moves on earnings and company-specific news

By Leila Farooq QCOM ARM INTC PANW JPM

Markets displayed pronounced cross-cap volatility on Wednesday, with large technology and financial names among the heaviest decliners while selected mid- and small-cap companies registered double-digit gains. Semiconductor and mega-cap technology stocks such as Qualcomm and Arm were notably weaker, even as companies like Dycom Industries and Mandalay Digital Group posted outsized advances tied to earnings and guidance-related headlines.

Stocks See Wide Swings; Qualcomm, Arm Lead Mega-Cap Declines While Dycom, Mandalay Rally
QCOM ARM INTC PANW JPM

Key Points

  • Mega-cap technology and chip-related names were among the largest decliners, including Qualcomm, Arm and Intel.
  • Several mid- and small-cap names produced double-digit gains, led by Mandalay Digital Group (APPS), Dycom Industries (DY) and 360 Finance (QFIN).
  • The session featured company-specific news driving big moves, such as earnings beats, guidance and analyst rating changes, affecting sectors including semiconductors, financials and consumer retail.

Wednesday's trading session produced a mixed picture across market-cap segments, with several mega-cap technology and financial names losing value while a number of mid- and small-cap equities climbed sharply on company-specific developments.

Below are the prominent stock movers from mega-cap to small-cap categories, presented with the percent moves reported for the session and, where supplied in the trading notes, the news driving larger swings.


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

  • Qualcomm Inc (QCOM); -8.08%
  • Arm (ARM); -5.51%
  • Intel Corp (INTC); -3.57%
  • Palo Alto Networks (PANW); -3.08%
  • JP Morgan Chase (JPM); -2.74%
  • Texas Instruments (TXN); -2.92%
  • Wells Fargo (WFC); -2.15%
  • Palantir Technologies Inc (PLTR); -2.76%
  • Kla-tencor Corp (KLAC); -2.26%
  • Procter & Gamble (PG); +3.22%

Large-Cap Movers (Market Cap: $10-$200 billion USD)

  • Zscaler Inc (ZS); -31.34%
  • Boston Scientific Corp (BSX); -12.81%
  • Pinduoduo (PDD); -11.97%
  • Globalfoundries (GFS); -10.85%
  • Dycom Industries Inc (DY); 27.61% - Dycom shares surge 25% on earnings beat and raised outlook
  • Applovin (APP); 11.65%
  • Iris Energy (IREN); 10.28%
  • Cerebras Systems Inc (CBRS); 7.69%
  • New Providence Acquisition Corp N (ASTS); 7.44%
  • NIO Inc (NIO); 9.51%

Mid-Cap Movers (Market Cap: $2-$10 billion USD)

  • Cree Inc. (WOLF); -17.06%
  • Braiin (BRAI); -13.13%
  • Clear Secure (YOU); -9.56%
  • Manchester United Plc-EXCH (MANU); 14.96%
  • Inflection Point Acquisition (LUNR); 14.29%
  • Abercrombie & Fitch (ANF); 12.82%
  • Limited Brands (BBWI); 10.69% - Bath & Body Works reports Q1 results, CFO to step down in June
  • Beam Inc. (BEAM); 8.9%
  • Erasca (ERAS); 9.04%
  • MGM Mirage (MGM); 9.47% - JPMorgan upgrades MGM Resorts stock rating on Strip outlook

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

  • Gores Holdings II Incorporated (VRRM); -70.91% - William Blair downgrades Verra Mobility stock rating on Avis customer loss
  • A Paradise Acquisition (ENHA); -18.65%
  • Mesa Laboratories (MLAB); -18.15%
  • Cantor Equity Partners III Inc (AIIR); -16.07%
  • Mandalay Digital Group Inc (APPS); 45.22% - Digital Turbine surges 17% on strong Q4 results, guidance
  • 360 Finance Inc (QFIN); 26.29%
  • ADTRAN Inc. (ADTN); 19.8%
  • Editas Medicine (EDIT); 16.07%
  • Corsair Gaming Inc (CRSR); 20.02%

Session notes and cross-checks

The session included additional repeated reporting of several percentage moves, captured in the trading feed. Those repeated items preserved the direction and scale of the moves across caps, with a subset of names showing consistent upward momentum (for example, APPS, QFIN, DY) while many large technology and semiconductor names provided the larger downside contributions to the mega-cap group.

Investors tracking sector implications will note pronounced activity in semiconductors and technology, alongside movement in financials and consumer-focused names that reported corporate developments during the period.

Risks

  • Company-specific headlines produced outsized moves in smaller-cap names, increasing idiosyncratic risk for sector and small-cap investors.
  • Significant declines among several mega-cap technology and semiconductor stocks could heighten volatility for portfolios with large exposure to those sectors.
  • Analyst downgrades and executive departures cited in trading notes (for example, ratings changes and a CFO departure) introduce uncertainty for the individual issuers and related sector peers.

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