The stock market on October 1, 1984
October 1, 1984, a Monday. The S&P 500 fell 0.89% to close at 164.62. Of 5,763 US stocks that traded, 933 rose and 2,361 fell.
The S&P 500-0.89%closed at 164.62
How big a move#7,004of 24,799 trading days since 1928
$100 in the index since$4,680price only, to September 24, 2026
Stocks that rose933of 5,763; 2,361 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Allied Stores | +2.8% |
| Molex (MOLX) | +2.4% |
| Entergy Gulf States La LLC | +2.3% |
Biggest falls among the 500 largest companies
| First Chicago Corp (FNB.) | -6.3% |
| DSC Communications (DIGI) | -5.6% |
| Mead (MEA) | -5.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 28, 1984 · Every October 1 · October 2, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.