The stock market on May 23, 1980
May 23, 1980, a Friday. The S&P 500 rose 1.48% to close at 110.62. Of 4,533 US stocks that traded, 1,989 rose and 691 fell.
The S&P 500+1.48%closed at 110.62
How big a move#3,172of 24,799 trading days since 1928
$100 in the index since$6,964price only, to September 24, 2026
Stocks that rose1,989of 4,533; 691 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Tektronix (TEK) | +8.0% |
| National Semiconductor (NSM) | +7.2% |
| Amax Inc. (AMX) | +7.1% |
Biggest falls among the 500 largest companies
| Nvf Co | -4.3% |
| Anheuser-Busch (BUD) | -4.2% |
| City Investing Co (CNV) | -4.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 22, 1980 · Every May 23 · May 27, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.