Stock Markets July 24, 2026 02:04 PM

SanDisk, American Express Lead Swings Among Friday Market Movers

Mega-cap declines and selective earnings-driven rallies mark notable volatility across market-cap tiers

By Leila Farooq
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The market on Friday produced a wide range of moves across capitalization bands, with chip-related names and financials among the largest decliners while select healthcare and software-related names posted double-digit gains following earnings or analyst actions. Mega-cap names such as SanDisk and American Express recorded notable drops, while mid- and large-cap shares showed both outsized advances and steep pullbacks tied to company-specific results and analyst commentary.

SanDisk, American Express Lead Swings Among Friday Market Movers
SNDK AXP SPCX INTC TSLA
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Key Points

  • Mega-cap names including SanDisk (SNDK) and American Express (AXP) were among the largest decliners on Friday, with SNDK down 8.21% and AXP down 4.69%. - Sectors affected: Technology (semiconductors/storage) and Financials.
  • Several large- and mid-cap stocks posted double-digit gains following earnings beats or analyst upgrades, including Tenet Healthcare (THC) +16.88%, Digital Realty (DLR) +13.55%, SS&C Technologies (SSNC) +10.21% and RingCentral (RNG) +26.93%. - Sectors affected: Healthcare, Real Estate/REITs, Software/Tech Services.
  • At the same time, some companies fell sharply despite reporting strong quarterly results, notably MaxLinear (MXL) which dropped 21.01% despite a solid Q2 beat. - Sectors affected: Semiconductors and communications components.

Traders saw pronounced volatility on Friday as a mix of earnings news, analyst actions and company-specific developments produced both sizable gains and sharp losses across market-cap segments. The session featured heavy declines among several mega-cap technology and financial names, while some mid- and large-cap stocks rallied after earnings beats or upgrades.

Below are highlights of the most active stock movers of the day, grouped by market-cap categories and presented with the session moves reported.


Mega-Cap Movers (Market Cap $200B+ USD)

  • SanDisk Corp-Exch (SNDK): -8.21%
  • American Express (AXP): -4.69%
  • SpaceX (SPCX): -4.18%
  • Intel Corp (INTC): -4.16%
  • Tesla Motors (TSLA): -3.16%
  • Applied Matls Inc (AMAT): -3.12%

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

  • Tenet Healthcare (THC): +16.88%
  • Digital Realty Trust Inc (DLR): +13.55% - TD Cowen upgraded the stock citing demand strength
  • Schlumberger Ltd (SLB): +10.48%
  • SS&C Technologies (SSNC): +10.21% - reported a Q2 earnings and revenue beat and guided above consensus
  • Coherent (COHR): -7.52%
  • C H Robinson Worldwide Inc (CHRW): -6.18%
  • Cerebras Systems Inc (CBRS): -9.38%
  • Summit Therapeutics PLC (SMMT): -8.11%

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

  • Ringcentral Inc (RNG): +26.93% - stock rose nearly 3% on a Q2 beat and raise
  • Booz Allen Hamilton Holding Corp (BAH): +11.45% - stock gained after an earnings beat despite a revenue decline
  • Mobileye Global (MBLY): +11.45%
  • Rexford Inl Rty (REXR): +9.28%
  • MaxLinear Inc (MXL): -21.01% - fell despite a solid Q2 beat
  • MUU (MUU): -12.28%

Small-Cap Stock Movers (Market Cap $300M-$2B USD)

  • Safety Insurance (SAFT): +41.31%
  • Universal Insurance Holdings Inc (UVE): +11.2%
  • NVE Corp (NVEC): -14.9%
  • Richardson Electronics (RELL): -15.63%
  • RAM (RAM): -3.48%

Across the market-cap spectrum, the session featured both outsized winners and steep losers. Several stocks rallied on earnings beats and positive guidance or upgrades, while other names declined on profit-taking, sector weakness or company-specific dynamics. Notable examples include SS&C Technologies and Tenet Healthcare posting strong gains on reported results or other catalysts, contrasted with deep declines in chip-related and specialized technology firms such as MaxLinear and Cerebras Systems.

The day’s movement underscores the continued role of company-level news - earnings prints, guidance and analyst commentary - in driving intraday volatility, along with broader sector pressures that affected several mega-cap technology and finance names.

Risks

  • Earnings-driven volatility: The market showed that earnings beats and guidance can produce large intraday moves in either direction, creating uncertainty for sectors sensitive to company results such as software, healthcare and semiconductor suppliers.
  • Sector concentration risk: Heavy declines in several mega-cap technology and financial names could amplify downside for indices and ETFs with concentrated exposure to those sectors.
  • Divergent market reactions: Stocks may move counterintuitively to fundamentals on any given day - for example, MaxLinear (MXL) fell sharply despite a solid Q2 beat - increasing short-term trading risk for investors focused on quarterly results.

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