The stock market on August 20, 2021
August 20, 2021, a Friday. The S&P 500 rose 0.81% to close at 4441.67. Of 4,312 US stocks that traded, 3,228 rose and 914 fell.
The S&P 500+0.81%closed at 4441.67
How big a move#7,854of 24,799 trading days since 1928
$100 in the index since$173price only, to September 24, 2026
Stocks that rose3,228of 4,312; 914 fell
Biggest companyAppleby market value that day
Biggest rises among the 500 largest companies
| Novavax, Inc. (NVAX) | +6.2% |
| Unity Software (U) | +5.5% |
| Zillow Group, Inc. - Class C Capital Stock (Z) | +5.4% |
Biggest falls among the 500 largest companies
| Robinhood (HOOD) | -4.6% |
| Snowflake (SNOW) | -4.6% |
| Ross Stores (ROST) | -2.7% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 19, 2021 · Every August 20 · August 23, 2021 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.