Market Cap Map — 19 Oct 2026

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Oct 19, 2026

S&P 500 movers — October 19, 2026

S&P 500 closed up 0.49%

Of the 503 companies tracked in the S&P 500, 176 rose and 324 fell, with 3 unchanged. Consumer Discretionary led the day at +1.99%, while Utilities lagged at -1.95%.

Top gainers · S&P 500
  • WDC Western Digital Corporation +6.09%
  • SNDK Sandisk Corporation +5.53%
  • DDOG Datadog, Inc. +5.36%
  • TWLO Twilio Inc. +5.29%
  • AMZN Amazon.com, Inc. +4.98%
  • PLTR Palantir Technologies Inc. +4.36%
  • MRNA Moderna, Inc. +4.07%
  • MRVL Marvell Technology, Inc. +4.06%
Top losers · S&P 500
  • MOS Mosaic Company (The) -4.78%
  • NRG NRG Energy, Inc. -4.21%
  • AMP Ameriprise Financial, Inc. -4.07%
  • ES Eversource Energy (D/B/A) -3.55%
  • HONA Honeywell Aerospace Inc. -3.33%
  • FLEX Flex Ltd. -3.23%
  • DOC Healthpeak Properties, Inc. -3.06%
  • CEG Constellation Energy Corporatio -3.01%
By sector
  • Consumer Discretionary +1.99%
  • Technology +1.08%
  • Communication Services +0.67%
  • Materials +0.08%
  • Healthcare -0.61%
  • Consumer Staples -0.62%
  • Industrials -0.62%
  • Energy -0.63%
  • Financials -0.76%
  • Real Estate -1.17%
  • Utilities -1.95%
Not financial advice. All data, scores, charts, and analysis on this site are provided for informational and educational purposes only and do not constitute financial, investment, legal, or tax advice. Past performance is not indicative of future results. See our Legal Notice for full details.
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