The stock market on April 17, 1991
April 17, 1991, a Wednesday. The S&P 500 rose 0.73% to close at 390.45. Of 5,678 US stocks that traded, 2,183 rose and 1,480 fell.
The S&P 500+0.73%closed at 390.45
How big a move#8,893of 24,799 trading days since 1928
$100 in the index since$1,973price only, to September 24, 2026
Stocks that rose2,183of 5,678; 1,480 fell
Biggest companyExxon Mobilby market value that day
Biggest rises among the 500 largest companies
| Louisiana-Pacific (LPX) | +12.1% |
| PNC Financial Services (PNC) | +11.1% |
| 21St Century Ins Group (TW) | +9.8% |
Biggest falls among the 500 largest companies
| Mallinckrodt (MKG) | -4.9% |
| Columbia Energy Group | -4.7% |
| Santa Fe Pacific Corp. (SFX) | -4.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ April 16, 1991 · Every April 17 · April 18, 1991 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.