The stock market on August 11, 2021
August 11, 2021, a Wednesday. The S&P 500 rose 0.25% to close at 4447.70. Of 4,306 US stocks that traded, 2,486 rose and 1,634 fell.
The S&P 500+0.25%closed at 4447.70
How big a move#17,795of 24,799 trading days since 1928
$100 in the index since$173price only, to September 24, 2026
Stocks that rose2,486of 4,306; 1,634 fell
Biggest companyAppleby market value that day
Biggest rises among the 500 largest companies
| Upstart Holdings (UPST) | +26.2% |
| Unity Software (U) | +13.3% |
| Wayfair Inc. (W) | +8.7% |
Biggest falls among the 500 largest companies
| Moderna, Inc. (MRNA) | -15.6% |
| The Trade Desk, Inc. (TTD) | -5.9% |
| Plug Power, Inc. (PLUG) | -5.8% |
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.