The stock market on May 28, 1985
May 28, 1985, a Tuesday. The S&P 500 fell 0.23% to close at 187.86. Of 5,712 US stocks that traded, 1,380 rose and 1,934 fell.
The S&P 500-0.23%closed at 187.86
How big a move#18,290of 24,799 trading days since 1928
$100 in the index since$4,101price only, to September 24, 2026
Stocks that rose1,380of 5,712; 1,934 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| Litton Industries (LIT) | +8.4% |
| Martin Marietta (ML) | +5.2% |
| Lockheed Martin (LMT) | +4.2% |
Biggest falls among the 500 largest companies
| MCI Communications (MCIC.) | -17.7% |
| Apple (AAPL) | -6.9% |
| Homestake Mining (HM) | -4.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 24, 1985 · Every May 28 · May 29, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.