The stock market on October 8, 1985
October 8, 1985, a Tuesday. The S&P 500 rose 0.00% to close at 181.87. Of 5,710 US stocks that traded, 1,387 rose and 1,934 fell.
The S&P 5000.00%closed at 181.87
How big a move#24,792of 24,799 trading days since 1928
$100 in the index since$4,236price only, to September 24, 2026
Stocks that rose1,387of 5,710; 1,934 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Viacomcbs Inc (VIAC) | +12.4% |
| Beatrice Cos Inc | +7.0% |
| Lin Broadcasting (LINB) | +6.7% |
Biggest falls among the 500 largest companies
| Advanced Micro Devices (AMD) | -5.6% |
| M G M U A Entertainment (MGM) | -5.0% |
| National Semiconductor (NSM) | -4.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
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Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.