The stock market on August 21, 1973
August 21, 1973, a Tuesday. The S&P 500 fell 0.71% to close at 100.89. Of 5,020 US stocks that traded, 795 rose and 2,014 fell.
The S&P 500-0.71%closed at 100.89
How big a move#9,147of 24,799 trading days since 1928
$100 in the index since$7,636price only, to September 24, 2026
Stocks that rose795of 5,020; 2,014 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Lubrizol (LZ) | +5.0% |
| Evans Products Co | +3.5% |
| 7-Eleven Inc (SE) | +3.1% |
Biggest falls among the 500 largest companies
| Hewlett-Packard (HWP) | -6.9% |
| Searle G D & (SRL) | -6.7% |
| Pharmacia (PNU) | -6.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 20, 1973 · Every August 21 · August 22, 1973 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.