The stock market on May 17, 1991
May 17, 1991, a Friday. The S&P 500 rose 0.05% to close at 372.39. Of 5,688 US stocks that traded, 1,663 rose and 1,778 fell.
The S&P 500+0.05%closed at 372.39
How big a move#23,246of 24,799 trading days since 1928
$100 in the index since$2,069price only, to September 24, 2026
Stocks that rose1,663of 5,688; 1,778 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| Pet Inc. (PT) | +6.8% |
| Clorox (CLX) | +6.3% |
| King World Productions (KWP) | +3.9% |
Biggest falls among the 500 largest companies
| Dresser Industries Inc (DI.) | -4.9% |
| Apple (AAPL) | -4.1% |
| Loctite Corp (LOC) | -4.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 16, 1991 · Every May 17 · May 20, 1991 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.