The stock market on August 11, 1971
August 11, 1971, a Wednesday. The S&P 500 rose 1.20% to close at 94.66. Of 2,331 US stocks that traded, 1,325 rose and 537 fell.
The S&P 500+1.20%closed at 94.66
How big a move#4,569of 24,799 trading days since 1928
$100 in the index since$8,139price only, to September 24, 2026
Stocks that rose1,325of 2,331; 537 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Winnebago Industries, Inc. (WGO) | +9.6% |
| Multigraphics Inc (MTI) | +9.1% |
| Flagstar Corp | +8.9% |
Biggest falls among the 500 largest companies
| Hershey (HSY) | -3.0% |
| KeySpan (KSE) | -2.2% |
| Nch Corp (NCH) | -2.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 10, 1971 · Every August 11 · August 12, 1971 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.
