The stock market on March 20, 1984
March 20, 1984, a Tuesday. The S&P 500 rose 0.68% to close at 158.86. Of 5,713 US stocks that traded, 1,729 rose and 1,447 fell.
The S&P 500+0.68%closed at 158.86
How big a move#9,492of 24,799 trading days since 1928
$100 in the index since$4,850price only, to September 24, 2026
Stocks that rose1,729of 5,713; 1,447 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Great Western Financial (GWF.) | +8.2% |
| Sunoco (SUN) | +7.6% |
| 7-Eleven Inc (SE) | +7.2% |
Biggest falls among the 500 largest companies
| Sedco (SED) | -3.8% |
| Pfizer (PFE) | -3.1% |
| Auto Data Proc (AUD) | -3.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ March 19, 1984 · Every March 20 · March 21, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.