The stock market on October 25, 1984
October 25, 1984, a Thursday. The S&P 500 fell 0.53% to close at 166.31. Of 5,749 US stocks that traded, 1,289 rose and 1,871 fell.
The S&P 500-0.53%closed at 166.31
How big a move#11,904of 24,799 trading days since 1928
$100 in the index since$4,632price only, to September 24, 2026
Stocks that rose1,289of 5,749; 1,871 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Ocean Drilling & Exploration (ODR) | +5.5% |
| Mobil Corporation (MOB) | +4.6% |
| Mesa Inc (MXP.) | +4.0% |
Biggest falls among the 500 largest companies
| National Semiconductor (NSM) | -9.5% |
| Intel (INTC) | -8.3% |
| Advanced Micro Devices (AMD) | -6.7% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 24, 1984 · Every October 25 · October 26, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.