The stock market on March 11, 1971
March 11, 1971, a Thursday. The S&P 500 rose 0.09% to close at 99.39. Of 2,305 US stocks that traded, 851 rose and 1,041 fell.
The S&P 500+0.09%closed at 99.39
How big a move#22,099of 24,799 trading days since 1928
$100 in the index since$7,751price only, to September 24, 2026
Stocks that rose851of 2,305; 1,041 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Amerada Hess (AHC) | +5.2% |
| Bunker Ramo Corp (BR) | +4.5% |
| Stp Corp (STP) | +4.4% |
Biggest falls among the 500 largest companies
| Digital Equipment (DEC) | -9.8% |
| Walt Disney (DIS) | -5.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ March 10, 1971 · Every March 11 · March 12, 1971 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.