The stock market on October 17, 1991
October 17, 1991, a Thursday. The S&P 500 fell 0.22% to close at 391.92. Of 5,755 US stocks that traded, 1,688 rose and 1,918 fell.
The S&P 500-0.22%closed at 391.92
How big a move#18,405of 24,799 trading days since 1928
$100 in the index since$1,966price only, to September 24, 2026
Stocks that rose1,688of 5,755; 1,918 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Intl Specialty Products Inc (ISP) | +10.4% |
| Avery Dennison (AVY) | +8.2% |
| Chemical Waste Management (CHW) | +6.6% |
Biggest falls among the 500 largest companies
| Reebok International (RBK) | -11.4% |
| MCI Communications (MCIC.) | -10.0% |
| U S Healthcare Inc (USHC) | -7.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 16, 1991 · Every October 17 · October 18, 1991 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.