The stock market on October 11, 1984
October 11, 1984, a Thursday. The S&P 500 rose 0.41% to close at 162.78. Of 5,760 US stocks that traded, 1,841 rose and 1,193 fell.
The S&P 500+0.41%closed at 162.78
How big a move#14,063of 24,799 trading days since 1928
$100 in the index since$4,733price only, to September 24, 2026
Stocks that rose1,841of 5,760; 1,193 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| DSC Communications (DIGI) | +8.0% |
| RiteAid (RAD) | +6.5% |
| PepsiAmericas (WH) | +6.3% |
Biggest falls among the 500 largest companies
| Motorola Solutions (MOT) | -4.5% |
| National Semiconductor (NSM) | -3.7% |
| Temple-Inland (TIN) | -3.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 10, 1984 · Every October 11 · October 12, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.