Market Cap Map — 17 Sep 2026

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Sep 17, 2026

S&P 500 movers — September 17, 2026

S&P 500 closed up 1.18%

Of the 503 companies tracked in the S&P 500, 295 rose and 205 fell, with 3 unchanged. Technology led the day at +2.08%, while Financials lagged at -0.06%.

Top gainers · S&P 500
  • GNRC Generac Holdlings Inc. +18.34%
  • SMCI Super Micro Computer, Inc. +9.50%
  • MRNA Moderna, Inc. +8.55%
  • HPE Hewlett Packard Enterprise Comp +7.69%
  • INTC Intel Corporation +7.67%
  • ILMN Illumina, Inc. +7.10%
  • SWKS Skyworks Solutions, Inc. +6.69%
  • P Everpure, Inc. +6.54%
Top losers · S&P 500
  • TMUS T-Mobile US, Inc. -5.57%
  • DVA DaVita Inc. -5.56%
  • PSKY Paramount Skydance Corporation -4.67%
  • CPRT Copart, Inc. -3.76%
  • CSGP CoStar Group, Inc. -3.49%
  • CMCSA Comcast Corporation -3.46%
  • AXON Axon Enterprise, Inc. -3.19%
  • CRM Salesforce, Inc. -3.07%
By sector
  • Technology +2.08%
  • Consumer Discretionary +1.00%
  • Utilities +0.86%
  • Healthcare +0.71%
  • Materials +0.62%
  • Energy +0.56%
  • Communication Services +0.51%
  • Real Estate +0.36%
  • Industrials +0.33%
  • Consumer Staples +0.07%
  • Financials -0.06%
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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