The stock market on September 14, 1984
September 14, 1984, a Friday. The S&P 500 rose 0.50% to close at 168.78. Of 5,791 US stocks that traded, 2,325 rose and 1,042 fell.
The S&P 500+0.50%closed at 168.78
How big a move#12,443of 24,799 trading days since 1928
$100 in the index since$4,565price only, to September 24, 2026
Stocks that rose2,325of 5,791; 1,042 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Sedco (SED) | +23.9% |
| H.F. Ahmanson (AHM) | +8.0% |
| Walt Disney (DIS) | +6.6% |
Biggest falls among the 500 largest companies
| Caterpillar (CAT) | -12.4% |
| Ncr Corp. (NCR) | -6.6% |
| Computervision Corp (CVN) | -5.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 13, 1984 · Every September 14 · September 17, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.