The stock market on August 23, 2021
August 23, 2021, a Monday. The S&P 500 rose 0.85% to close at 4479.53. Of 4,314 US stocks that traded, 3,213 rose and 950 fell.
The S&P 500+0.85%closed at 4479.53
How big a move#7,426of 24,799 trading days since 1928
$100 in the index since$172price only, to September 24, 2026
Stocks that rose3,213of 4,314; 950 fell
Biggest companyAppleby market value that day
Biggest rises among the 500 largest companies
| Novavax, Inc. (NVAX) | +8.7% |
| Moderna, Inc. (MRNA) | +7.5% |
| Continental Resources, Inc. (CLR) | +7.1% |
Biggest falls among the 500 largest companies
| Cboe Holdings (CBOE) | -2.6% |
| Rollins (ROL) | -2.4% |
| Pool Corporation (POOL) | -2.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 20, 2021 · Every August 23 · August 24, 2021 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.