Caterpillar, Fiserv Lead Market Cap Stock Movers on Wednesday

Published 29/10/2025, 19:04
© Reuters.

Wednesday’s market has seen notable movements in various stocks, with Caterpillar (CAT) surging forward and Fiserv (FISV) facing a steep decline. Today, mega-cap stocks like Palantir Technologies (PLTR) and Nvidia Corp (NVDA) are climbing, while large-cap stocks such as Bloom Energy Corp (BE) and Teradyne Inc (TER) are also experiencing significant shifts. Here are the highlights of some of the biggest stock movers, from mega-caps to small caps.

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

  • Caterpillar (CAT): +12.19%
  • Palantir Technologies Inc (PLTR): +4.24%
  • Micron Tech (MU): +3.51%
  • Nvidia Corp (NVDA): +3.08%
  • Coca-Cola Co (KO): -2.67%
  • Pepsico (PEP): -2.84%
  • Metropcs Communications (TMUS): -3.41%
  • United Health Group (UNH): -3.1%

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

  • Fiserv Inc (FISV); Fiserv stock rating downgraded to Market Perform by William Blair: -42.55%
  • Bloom Energy Corp (BE); Bloom Energy stock rating upgraded by HSBC on AI data center growth: +20.36%
  • Teradyne Inc (TER); Teradyne shares soar 19% as AI demand drives strong guidance: +20.09%
  • Seagate technology (STX): +18.22%
  • Western Digital (WDC): +13.64%
  • SanDisk Corp-Exch (SNDK): +11.89%
  • Centene (CNC): +11.13%
  • Avantor Inc (AVTR); Avantor shares tumble 14% after Q3 miss, goodwill impairment charge: -17.99%
  • CoStar Group (CSGP); Costar Group posts mixed Q3 results, raises full-year outlook: -12.52%
  • Clean Harbors Inc (CLH); Clean Harbors shares fall 6% as Q3 earnings miss estimates: -11.5%

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

  • K12 Inc (LRN); Stride shares plunge as revenue outlook falls short of expectations: -51.06%
  • Varonis Systems (VRNS); Varonis Systems shares plummet 31% as Q3 results, guidance disappoint: -44.78%
  • Flowserve Corp (FLS); Flowserve shares rise 3% as Q3 earnings, guidance top estimates: +30.36%
  • Jyong Biotech (MENS): +21.17%
  • Mirion Technologies (MIR): +17.96%
  • Kirby Corp (KEX): +15.7%
  • Fluence Energy (FLNC): +15.03%
  • Silgan Holdings (SLGN); Silgan shares tumble nearly 8% as Q4 guidance falls short of expectations: -14.31%
  • Extreme Networks (EXTR): -13.49%
  • Burford Capital (BUR): -10.71%

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

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