The stock market on September 30, 1971
September 30, 1971, a Thursday. The S&P 500 rose 0.45% to close at 98.34. Of 2,358 US stocks that traded, 1,073 rose and 801 fell.
The S&P 500+0.45%closed at 98.34
How big a move#13,392of 24,799 trading days since 1928
$100 in the index since$7,834price only, to September 24, 2026
Stocks that rose1,073of 2,358; 801 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Winnebago Industries, Inc. (WGO) | +7.0% |
| Fleetwood Enterprises (FLTWQ) | +5.8% |
| Braniff International Corp (BNF) | +5.8% |
Biggest falls among the 500 largest companies
| Electronic Data Systems (EDS.) | -13.1% |
| Alcoa (AA) | -5.2% |
| Hilton Worldwide Holdings (HLT) | -4.9% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 29, 1971 · Every September 30 · October 1, 1971 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.