The stock market on February 20, 1991
February 20, 1991, a Wednesday. The S&P 500 fell 1.15% to close at 365.14. Of 5,701 US stocks that traded, 1,340 rose and 2,242 fell.
The S&P 500-1.15%closed at 365.14
How big a move#4,847of 24,799 trading days since 1928
$100 in the index since$2,110price only, to September 24, 2026
Stocks that rose1,340of 5,701; 2,242 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Square "d" (SQD) | +38.9% |
| Pharmacia (PNU) | +7.5% |
| Texas Instruments (TXN) | +5.9% |
Biggest falls among the 500 largest companies
| Conner Peripherals (CNR) | -7.5% |
| Citicorp | -6.9% |
| CoreStates Financial Corp. (CFL) | -6.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ February 19, 1991 · Every February 20 · February 21, 1991 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.