The stock market on August 28, 1985
August 28, 1985, a Wednesday. The S&P 500 rose 0.39% to close at 188.83. Of 5,714 US stocks that traded, 1,836 rose and 1,450 fell.
The S&P 500+0.39%closed at 188.83
How big a move#14,632of 24,799 trading days since 1928
$100 in the index since$4,080price only, to September 24, 2026
Stocks that rose1,836of 5,714; 1,450 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| CBS Corporation (CBS) | +14.2% |
| GPU Inc (General Public Utilities) (GPU) | +7.4% |
| Ashland (ASH) | +7.0% |
Biggest falls among the 500 largest companies
| Raytheon (RTN) | -3.1% |
| Pioneer Hi-Bred International, Inc. (PHB) | -2.8% |
| FTI Consulting (FCN) | -2.7% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 27, 1985 · Every August 28 · August 29, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.