The stock market on August 21, 1990
August 21, 1990, a Tuesday. The S&P 500 fell 2.02% to close at 321.86. Of 5,826 US stocks that traded, 743 rose and 3,217 fell.
The S&P 500-2.02%closed at 321.86
How big a move#1,640of 24,799 trading days since 1928
$100 in the index since$2,394price only, to September 24, 2026
Stocks that rose743of 5,826; 3,217 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for4stocks
Biggest rises among the 500 largest companies
| Novell (NOVL) | +7.7% |
| Mitchell Energy & Devel. (MND) | +7.0% |
| Conner Peripherals (CNR) | +3.7% |
Biggest falls among the 500 largest companies
| PanEnergy (PEL) | -9.6% |
| Ryder System (R) | -8.2% |
| Nike (NKE) | -8.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 20, 1990 · Every August 21 · August 22, 1990 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.