The stock market on March 12, 1984
March 12, 1984, a Monday. The S&P 500 rose 1.29% to close at 156.34. Of 5,698 US stocks that traded, 1,848 rose and 1,424 fell.
The S&P 500+1.29%closed at 156.34
How big a move#4,067of 24,799 trading days since 1928
$100 in the index since$4,928price only, to September 24, 2026
Stocks that rose1,848of 5,698; 1,424 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Caterpillar (CAT) | +6.6% |
| Fannie Mae (FNMA) | +6.5% |
| Cray Research (CYR) | +6.4% |
Biggest falls among the 500 largest companies
| St Regis (SRT) | -7.8% |
| Houston Pipe Line Co | -7.2% |
| Freeport-McMoran (FTX) | -5.9% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ March 9, 1984 · Every March 12 · March 13, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.