The stock market on October 1, 1991
October 1, 1991, a Tuesday. The S&P 500 rose 0.35% to close at 389.20. Of 5,739 US stocks that traded, 1,766 rose and 1,838 fell.
The S&P 500+0.35%closed at 389.20
How big a move#15,502of 24,799 trading days since 1928
$100 in the index since$1,979price only, to September 24, 2026
Stocks that rose1,766of 5,739; 1,838 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Borland Software Corp (BORL) | +7.2% |
| Centocor Inc (CNTO.) | +6.7% |
| Hillenbrand Ind (HB) | +6.4% |
Biggest falls among the 500 largest companies
| Unocal Exploration Corp (UXC) | -8.5% |
| Louisiana-Pacific (LPX) | -6.7% |
| Lotus Development Corp (LOTS.) | -5.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 30, 1991 · Every October 1 · October 2, 1991 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.