The stock market on March 12, 1971
March 12, 1971, a Friday. The S&P 500 rose 0.18% to close at 99.57. Of 2,306 US stocks that traded, 886 rose and 974 fell.
The S&P 500+0.18%closed at 99.57
How big a move#19,581of 24,799 trading days since 1928
$100 in the index since$7,737price only, to September 24, 2026
Stocks that rose886of 2,306; 974 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Texasgulf (TG) | +8.4% |
| First Interstate Bancorp (I) | +6.3% |
| Cyprus Mines (CYM) | +6.1% |
Biggest falls among the 500 largest companies
| Owens Corning (OWC) | -5.4% |
| Target (TGT) | -4.7% |
| Norton Simon (NSI) | -4.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ March 11, 1971 · Every March 12 · March 15, 1971 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.