Stock Markets June 5, 2026 02:09 PM

Broad Market Slide Sees Arm, Marvell and Several Tech Names Lead Declines

Mega-cap and small-cap names alike record steep intraday losses as market momentum turns sharply lower

By Sofia Navarro ARM MRVL SNDK QCOM

Equities across market-cap ranges fell sharply on Friday, with semiconductor and technology-related names among the hardest hit. Major mega-cap technology stocks such as Arm and Marvell Technology recorded double-digit percentage declines, while a host of large-, mid- and small-cap companies also saw steep intraday moves. The session included both earnings-driven reactions and index-related developments among movers.

Broad Market Slide Sees Arm, Marvell and Several Tech Names Lead Declines
ARM MRVL SNDK QCOM

Key Points

  • Major technology and semiconductor names led declines among mega-caps, with Arm and Marvell down double digits.
  • Large-, mid- and small-cap companies also saw steep moves; Planet Labs fell sharply despite reporting a Q1 revenue beat driven by government demand.
  • Small-cap acquisition vehicles and special-purpose issuers produced both large gains and severe losses, highlighting broad intraday volatility.

Friday's trading session produced pronounced weakness across a range of market-cap buckets, with the technology and semiconductor complex accounting for many of the biggest percentage losses. Below, we catalogue the largest movers by market-cap grouping and note significant company-specific headlines that accompanied some of the moves.


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

  • Arm (ARM) -11.78%
  • Marvell Technology Group Ltd (MRVL) -10.01%
  • SanDisk Corp-Exch (SNDK) -10.37%
  • Qualcomm Inc (QCOM) -9.22%
  • Micron Tech (MU) -9.17%
  • Adv Micro Device (AMD) -8.87%
  • Oracle Corp (ORCL) -8.71%
  • Intel Corp (INTC) -8.12%
  • Lam Research Corp (LRCX) -7.13%
  • Arista Networks (ANET) -6.95%

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

  • Planet Labs PBC (PL) - Planet Labs posts Q1 earnings, revenue beat driven by strong government demand -24.81%
  • Zumiez Inc (ZUMZ) - Zumiez shares slide over 12% on worse-than-expected Q1 results, guidance -25.68%
  • SNXX (SNXX) -21.19%
  • Iris Energy (IREN) -14.53%
  • Yandex (NBIS) -13.79%
  • Good Works Acquisition (CIFR) -13.42%
  • DPCM Capital (QBTS) -13.31%
  • New Providence Acquisition Corp N (ASTS) - Starfighters Space to join Russell 3000 index on June 29 -12.97%
  • dMY Technology Group III (IONQ) -12.3%
  • Joby Aviation (JOBY) -12.52%

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

  • MUU (MUU) -19.03%
  • Fundrise Innovation Fund (VCX) -18.98%
  • Sunshine Silver Mining and Refining (SSMR) -18.51%
  • Live Oak Acq (NVTS) -17.44%
  • TECO Energy Inc-Exch (TE) -17.41%
  • Inflection Point Acquisition II (USAR) -16.72%
  • Enphase Energy Inc (ENPH) -16.47%
  • Willow Lane Acquisition (BRUN) -15.86%
  • POET Tech NAQ (POET) -18.26%

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

  • Enigmatig Ltd (EGG) -44.33%
  • PTK Acquisition (VLN) -36.02%
  • SGOCO Group (TROO) -31.01%
  • NEBX (NEBX) -29.22%
  • Intec Pharma Ltd (INDP) -24.21%
  • Bleichroeder Acquisition I (MRLN) - Merlin completes design review for C-130J autonomy program +26.92%
  • Industrea Acquisition A (BBCP) +31.83%
  • Julong Holding Ltd (JLHL) +36.29%

Friday's session also contained a block of additional intraday percentage readings for many of these same names. Those later reported figures included a mix of slightly different intraday percentages for numerous tickers, reflecting evolving market prices through the trading day.

This broad-based weakness encompassed multiple layers of market capitalization and appeared particularly concentrated in semiconductor and technology-related companies among the largest declines. Several small-cap stocks recorded extreme moves in both directions, with some acquisition vehicles and special-purpose entities posting outsized gains while other small issuers fell sharply.

Investors tracking market movers should note the combination of earnings reactions, index-related notices and ad hoc corporate headlines that appeared alongside these price moves. The session underscored notable volatility across mega-, large-, mid- and small-cap segments on a single trading day.

Risks

  • Earnings-related volatility: company results and guidance produced sizable share-price reactions, affecting sectors like technology and aerospace.
  • Index and corporate events: announcements such as a company joining an index can alter demand and trading dynamics for affected securities.
  • High small-cap dispersion: wide swings in small-cap and SPAC-like names increase short-term market uncertainty for investors focused on those segments.

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