S&P 500 close — Monday, 21 September 2026

S&P 500 closed up 1.70%

S&P 500 treemap for Monday, 21 September 2026: each company sized by market capitalisation and coloured by its move that day

S&P 500 movers — September 21, 2026

Of the 370 companies tracked in the S&P 500, 210 rose and 159 fell, with 1 unchanged. Technology led the day at +3.22%, while Energy lagged at -2.40%.

Top gainers · S&P 500
  • MRNA Moderna, Inc. +12.27%
  • INTC Intel Corporation +12.14%
  • META Meta Platforms, Inc. +11.34%
  • WBD Warner Bros. Discovery, Inc. - +10.79%
  • QCOM QUALCOMM Incorporated +9.29%
  • P Everpure, Inc. +9.14%
  • GDDY GoDaddy Inc. +7.50%
  • DDOG Datadog, Inc. +6.58%
Top losers · S&P 500
  • MPC Marathon Petroleum Corporation -5.30%
  • VLO Valero Energy Corporation -4.84%
  • UPS United Parcel Service, Inc. -4.35%
  • HPQ HP Inc. -4.22%
  • PSX Phillips 66 -4.17%
  • UNP Union Pacific Corporation -3.49%
  • XOM ExxonMobil Holdings Corporation -3.20%
  • EBAY eBay Inc. -3.17%
By sector
  • Technology +3.22%
  • Communication Services +1.28%
  • Consumer Discretionary +1.26%
  • Real Estate +0.99%
  • Healthcare +0.76%
  • Financials +0.68%
  • Industrials +0.28%
  • Materials -0.06%
  • Utilities -0.68%
  • Consumer Staples -0.70%
  • Energy -2.40%
Open the interactive S&P 500 map← 18 Sep 2026All sessions

The same session elsewhere: NASDAQDow JonesTSX

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