The stock market on August 18, 2026
August 18, 2026, a Tuesday. The S&P 500 fell 0.69% to close at 7691.76. Of 3,335 US stocks that traded, 1,235 rose and 1,981 fell.
The S&P 500-0.69%closed at 7691.76
How big a move#9,434of 24,799 trading days since 1928
$100 in the index since$100price only, to September 24, 2026
Stocks that rose1,235of 3,335; 1,981 fell
Biggest companyNvidiaby market value that day
Biggest rises among the 500 largest companies
| Targa Resources (TRGP) | +7.1% |
| Ulta Beauty (ULTA) | +4.8% |
| Intuit (INTU) | +4.4% |
Biggest falls among the 500 largest companies
| Coherent, Inc. (COHR) | -12.8% |
| Talen Energy Corp (TLN) | -11.0% |
| M/Acom Technology Solutions (MTSI) | -10.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
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Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.