The stock market on August 15, 1984
August 15, 1984, a Wednesday. The S&P 500 fell 0.99% to close at 162.80. Of 5,803 US stocks that traded, 1,175 rose and 2,004 fell.
The S&P 500-0.99%closed at 162.80
How big a move#6,172of 24,799 trading days since 1928
$100 in the index since$4,732price only, to September 24, 2026
Stocks that rose1,175of 5,803; 2,004 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Geico Corp (GEC) | +4.3% |
| KeySpan (KSE) | +4.3% |
| Entergy Gulf States La LLC | +3.6% |
Biggest falls among the 500 largest companies
| American Express (AXP) | -7.5% |
| Honeywell International (HON) | -5.5% |
| Wang Labs Inc (WANG) | -5.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 14, 1984 · Every August 15 · August 16, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.