The stock market on September 16, 1971
September 16, 1971, a Thursday. The S&P 500 fell 0.11% to close at 99.66. Of 2,353 US stocks that traded, 759 rose and 1,067 fell.
The S&P 500-0.11%closed at 99.66
How big a move#21,559of 24,799 trading days since 1928
$100 in the index since$7,730price only, to September 24, 2026
Stocks that rose759of 2,353; 1,067 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Time Warner (TWX) | +8.7% |
| Quaker State (KSF) | +4.5% |
| Louisiana Land & Exploration (LLX.) | +3.7% |
Biggest falls among the 500 largest companies
| R.R. Donnelley & Sons (DNY) | -9.0% |
| Winnebago Industries, Inc. (WGO) | -7.5% |
| Mattel (MAT) | -5.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 15, 1971 · Every September 16 · September 17, 1971 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.