Market Cap Map — 17 Aug 2026

Color by:
Aug 17, 2026

S&P 500 movers — August 17, 2026

S&P 500 closed down 0.52%

Of the 503 companies tracked in the S&P 500, 134 rose and 367 fell, with 2 unchanged. Energy led the day at +0.88%, while Consumer Staples lagged at -2.13%.

Top gainers · S&P 500
  • SNDK Sandisk Corporation +8.88%
  • COHR Coherent Corp. +7.79%
  • FIX Comfort Systems USA, Inc. +6.04%
  • TER Teradyne, Inc. +5.81%
  • AMAT Applied Materials, Inc. +5.55%
  • MRVL Marvell Technology, Inc. +5.54%
  • WDC Western Digital Corporation +5.35%
  • PWR Quanta Services, Inc. +5.33%
Top losers · S&P 500
  • RDDT Reddit, Inc. -7.63%
  • CVNA Carvana Co. -7.28%
  • CHTR Charter Communications, Inc. -6.59%
  • STZ Constellation Brands, Inc. -6.19%
  • ALGN Align Technology, Inc. -5.60%
  • NOW ServiceNow, Inc. -5.08%
  • LHX L3Harris Technologies, Inc. -4.61%
  • KKR KKR & Co. Inc. -4.54%
By sector
  • Energy +0.88%
  • Industrials -0.15%
  • Healthcare -0.19%
  • Technology -0.36%
  • Utilities -0.39%
  • Materials -0.48%
  • Communication Services -0.81%
  • Real Estate -0.87%
  • Financials -1.01%
  • Consumer Discretionary -1.02%
  • Consumer Staples -2.13%
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.
An unhandled error has occurred. Reload 🗙