The stock market on August 18, 2025
August 18, 2025, a Monday. The S&P 500 fell 0.01% to close at 6449.15. Of 3,532 US stocks that traded, 1,914 rose and 1,511 fell.
The S&P 500-0.01%closed at 6449.15
How big a move#24,314of 24,799 trading days since 1928
$100 in the index since$119price only, to September 24, 2026
Stocks that rose1,914of 3,532; 1,511 fell
Biggest companyNvidiaby market value that day
Biggest rises among the 500 largest companies
| Duolingo (DUOL) | +12.9% |
| First Solar (FSLR) | +9.7% |
| Celsius Holdings Inc (CELH) | +6.8% |
Biggest falls among the 500 largest companies
| EQT Corporation (EQT) | -4.5% |
| Mp Materials (MP) | -3.8% |
| Intel (INTC) | -3.7% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 15, 2025 · Every August 18 · August 19, 2025 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.