The stock market on May 20, 1980
May 20, 1980, a Tuesday. The S&P 500 fell 0.05% to close at 107.62. Of 4,535 US stocks that traded, 1,165 rose and 1,279 fell.
The S&P 500-0.05%closed at 107.62
How big a move#23,414of 24,799 trading days since 1928
$100 in the index since$7,159price only, to September 24, 2026
Stocks that rose1,165of 4,535; 1,279 fell
Biggest companyAT&T Corporationby market value that day
Biggest rises among the 500 largest companies
| City Investing Co (CNV) | +15.1% |
| Nvf Co | +13.2% |
Biggest falls among the 500 largest companies
| Asarco Inc (AR) | -3.9% |
| Chrysler Corp (C) | -3.9% |
| GenCorp (GY) | -3.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 19, 1980 · Every May 20 · May 21, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.