Market Cap Map — 19 Aug 2026

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Aug 19, 2026

S&P 500 movers — August 19, 2026

S&P 500 closed up 0.41%

Of the 503 companies tracked in the S&P 500, 283 rose and 219 fell, with 1 unchanged. Healthcare led the day at +4.87%, while Industrials lagged at -0.85%.

Top gainers · S&P 500
  • MRNA Moderna, Inc. +176.97%
  • EL Estee Lauder Companies, Inc. (T +16.30%
  • MRK Merck & Company, Inc. +12.60%
  • ARE Alexandria Real Estate Equities +10.27%
  • MRVL Marvell Technology, Inc. +9.85%
  • COIN Coinbase Global, Inc. +9.55%
  • ILMN Illumina, Inc. +8.87%
  • CVNA Carvana Co. +8.37%
Top losers · S&P 500
  • STX Seagate Technology Holdings PLC -7.87%
  • STLD Steel Dynamics, Inc. -7.53%
  • WDC Western Digital Corporation -6.87%
  • DELL Dell Technologies Inc. -6.64%
  • LRCX Lam Research Corporation -6.33%
  • KEYS Keysight Technologies Inc. -6.32%
  • COHR Coherent Corp. -6.19%
  • TER Teradyne, Inc. -6.09%
By sector
  • Healthcare +4.87%
  • Consumer Discretionary +1.80%
  • Materials +1.76%
  • Consumer Staples +1.69%
  • Real Estate +0.77%
  • Communication Services +0.36%
  • Utilities +0.03%
  • Energy -0.30%
  • Financials -0.52%
  • Technology -0.52%
  • Industrials -0.85%
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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