The stock market on May 9, 1979
May 9, 1979, a Wednesday. The S&P 500 rose 0.29% to close at 99.46. Of 4,518 US stocks that traded, 1,535 rose and 889 fell.
The S&P 500+0.29%closed at 99.46
How big a move#16,703of 24,799 trading days since 1928
$100 in the index since$7,746price only, to September 24, 2026
Stocks that rose1,535of 4,518; 889 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Viad Corp (VVI) | +8.9% |
| Crown Zellerbach | +7.2% |
| Johnson Controls (JCI) | +6.3% |
Biggest falls among the 500 largest companies
| Bally Entertainment (BLY) | -4.1% |
| Caesars World (CAW) | -3.5% |
| Mgm Grand Hotels Inc (GRH) | -2.9% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 8, 1979 · Every May 9 · May 10, 1979 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.