The stock market on August 23, 1971
August 23, 1971, a Monday. The S&P 500 rose 0.94% to close at 99.25. Of 2,339 US stocks that traded, 1,154 rose and 751 fell.
The S&P 500+0.94%closed at 99.25
How big a move#6,626of 24,799 trading days since 1928
$100 in the index since$7,762price only, to September 24, 2026
Stocks that rose1,154of 2,339; 751 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Allegheny Technologies (ATI) | +7.1% |
| Reynolds Metals (RLM) | +6.8% |
| Texasgulf (TG) | +5.3% |
Biggest falls among the 500 largest companies
| Campbell Soup (CPB) | -7.8% |
| Entergy Gulf States La LLC | -5.0% |
| Cordant Technologies Inc (CDD) | -4.9% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 20, 1971 · Every August 23 · August 24, 1971 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.