The stock market on July 31, 1984
July 31, 1984, a Tuesday. The S&P 500 rose 0.31% to close at 150.66. Of 5,784 US stocks that traded, 1,619 rose and 1,535 fell.
The S&P 500+0.31%closed at 150.66
How big a move#16,248of 24,799 trading days since 1928
$100 in the index since$5,114price only, to September 24, 2026
Stocks that rose1,619of 5,784; 1,535 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| KeySpan (KSE) | +12.2% |
| Fannie Mae (FNMA) | +6.7% |
| NL Industries, Inc. (NL) | +5.8% |
Biggest falls among the 500 largest companies
| Champion International (CHA) | -9.8% |
| Murphy Oil Corporation (MUR) | -6.2% |
| Levi Strauss (LEVI) | -5.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ July 30, 1984 · Every July 31 · August 1, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.