The stock market on September 1, 1971
September 1, 1971, a Wednesday. The S&P 500 rose 0.04% to close at 99.07. Of 2,344 US stocks that traded, 932 rose and 892 fell.
The S&P 500+0.04%closed at 99.07
How big a move#23,577of 24,799 trading days since 1928
$100 in the index since$7,776price only, to September 24, 2026
Stocks that rose932of 2,344; 892 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Flagstar Corp | +5.8% |
| OfficeMax (BCC) | +5.2% |
| Multigraphics Inc (MTI) | +4.3% |
Biggest falls among the 500 largest companies
| Amp Inc (AMP) | -5.1% |
| Dome Petroleum Ltd (DMP) | -4.5% |
| Airco Inc (AN) | -4.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 31, 1971 · Every September 1 · September 2, 1971 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.