Stock Markets February 2, 2026

Broad Market Movers: Disney, Micron and a Wide Swath of Names See Volatility on Monday

Mega-cap technology names and small-cap biotech and real estate issues led a day of disparate gains and losses across market capitalizations

By Nina Shah INTC MU AMD CAT CSCO
Broad Market Movers: Disney, Micron and a Wide Swath of Names See Volatility on Monday
INTC MU AMD CAT CSCO

Stocks across market caps showed notable dispersion on Monday, with several large-cap technology and industrial names rallying while a number of consumer, electric vehicle and small-cap issuers fell sharply. Semiconductor and hardware-related companies produced some of the largest gains in the mega-cap and large-cap groups, while select small- and mid-cap stocks posted very large percentage moves tied to company-specific news.

Key Points

  • Semiconductor and hardware-related names contributed to many of the largest gains among mega- and large-cap stocks.
  • Several small- and mid-cap companies experienced very large percentage moves linked to company-specific news such as regulatory communications, executive appointments and guidance updates.
  • Market volatility was evident across sectors, with notable activity in technology, biotech, industrials, consumer and financials.

Equity markets displayed uneven performance on Monday as a mixture of company-specific developments and broader trading dynamics drove outsized moves across firms of all sizes. Technology and industrial names led many of the gains among large-cap issues, while a number of small- and mid-cap companies recorded dramatic single-day declines.


Mega-cap movers

  • Intel Corp (INTC): +7.13%
  • Micron Tech (MU): +5.96%
  • Adv Micro Device (AMD): +5.46%
  • Caterpillar (CAT): +4.49%
  • Cisco Sys Inc (CSCO): +3.21%
  • Wal-mart Stores (WMT): +3.8%
  • IBM (IBM): +2.68%
  • Lam Research Corp (LRCX); Lam Research and CEA-Leti partner to develop specialty tech devices: +2.54%
  • Visa Inc (V): +2.9%
  • Disney (DIS): -7.21%

Among the largest-capitalization names, semiconductor and hardware firms produced notable upside, while a high-profile entertainment company posted a sizeable decline. Lam Research's move included a corporate note on a partnership to develop specialty tech devices.


Large-cap stock movers

  • SanDisk Corp-Exch (SNDK): +15.67%
  • Regencell Bioscience Holdings (RGC): +12.0%
  • Rambus Inc (RMBS): +11.79%
  • Lumentum Holdings Inc (LITE): +11.3%
  • Western Digital (WDC): +9.51%
  • Carnival Corp-Exch (CCL): +8.26%
  • TTM Technologies (TTMI): +7.24%
  • GameStop Corp (GME): +8.0%
  • Robinhood Markets (HOOD): -9.47%
  • Xpeng Inc (XPEV): -7.95%

The large-cap cohort saw double-digit percentage gains in several names, with storage and optics-related companies among the leaders. Conversely, a number of consumer and fintech-facing stocks moved lower.


Mid-cap movers

  • Phoenix Asia Holdings (PHOE): -85.16%
  • Twist Bioscience Corporation (TWST); Twist Bioscience stock rises 5% on revenue beat, raised guidance: +10.66%
  • Semtech Corp (SMTC): +10.63%
  • TECO Energy Inc-Exch (TE): +10.32%
  • Saia (SAIA): +9.14%
  • Applied Opt (AAOI): +8.92%
  • Comstock Resources Inc (CRK): -8.71%
  • York Space Systems Inc (YSS): -11.15%
  • ETHA (ETHA): -12.1%
  • FETH ETH (FETH): -11.75%

Mid-cap activity featured a mix of strong rallies tied to corporate updates and severe declines among certain issuers. Twist Bioscience's share move was noted alongside commentary that the stock rose after a revenue beat and raised guidance.


Small-cap stock movers

  • Aquestive Therapeutics (AQST); FDA issues complete response letter for Aquestive’s anaphylaxis drug: +45.25%
  • Anbio Biotechnology (NNNN): +35.33%
  • Peakstone Realty Trust (PKST): +33.23%
  • VenHub Global (VHUB); VenHub Global appoints Ian Rasmussen as EVP of global expansion: +29.75%
  • Opera Ltd (OPRA); Opera expects to exceed Q4 guidance on revenue and earnings: +15.86%
  • AXT Inc (AXTI): +16.56%
  • Tocagen Inc (FBRX): +15.77%
  • Adlai Nortye ADR (ANL): -14.66%
  • ETHU (ETHU): -24.65%
  • Yext Inc (YEXT); Yext CEO withdraws $9 per share buyout proposal, company plans tender offer: -23.39%

Small-cap trading was marked by large percentage moves in both directions. Several companies recorded double- and triple-digit gains, some tied to specific corporate actions or regulatory notices, while other names fell sharply amid company-specific developments.


Takeaways

  • Market action on Monday was driven primarily by company-specific announcements and partnerships for several technology and biotech names.
  • Semiconductor and equipment suppliers were among the strongest performers in the mega- and large-cap groups, while certain entertainment, EV and small-cap issuers recorded pronounced declines.
  • Volatility was widespread across market capitalizations, from mega-caps to small-caps, indicating differentiated investor responses to individual corporate updates.

These movements illustrate the degree to which single-company news can influence share prices across market-cap segments on any given trading day. Observers should note the concentration of tech-related gains and the simultaneous presence of steep declines in several smaller issuers.

Risks

  • Company-specific developments can trigger sharp single-day declines or rallies, creating elevated short-term risk for investors in small- and mid-cap stocks - affects small-cap, mid-cap sectors.
  • Regulatory actions and executive decisions cited in company notices can introduce uncertainty and rapid price swings for biotech and technology-related firms - affects biotech and tech sectors.
  • Concentrated moves in a few large names may mask broader market conditions and increase sector-specific volatility for investors focused on technology and related suppliers - affects technology and industrial sectors.

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