The stock market on August 27, 1987
August 27, 1987, a Thursday. The S&P 500 fell 0.95% to close at 331.38. Of 6,331 US stocks that traded, 1,679 rose and 2,296 fell.
The S&P 500-0.95%closed at 331.38
How big a move#6,444of 24,799 trading days since 1928
$100 in the index since$2,325price only, to September 24, 2026
Stocks that rose1,679of 6,331; 2,296 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks
Biggest rises among the 500 largest companies
| Seagate Technology (SEG) | +6.6% |
| Polaroid (PRDCQ) | +5.8% |
| Baker Hughes (BKR) | +5.3% |
Biggest falls among the 500 largest companies
| H.F. Ahmanson (AHM) | -6.3% |
| Fluor (FLR) | -5.5% |
| Great Western Financial (GWF.) | -4.9% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 26, 1987 · Every August 27 · August 28, 1987 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.