The stock market on October 23, 1979
October 23, 1979, a Tuesday. The S&P 500 fell 0.43% to close at 100.28. Of 4,509 US stocks that traded, 888 rose and 1,697 fell.
The S&P 500-0.43%closed at 100.28
How big a move#13,813of 24,799 trading days since 1928
$100 in the index since$7,683price only, to September 24, 2026
Stocks that rose888of 4,509; 1,697 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Howard Johnson (HJ) | +12.5% |
| Louisiana Land & Exploration (LLX.) | +6.5% |
| Wang Labs Inc (WANG) | +6.3% |
Biggest falls among the 500 largest companies
| Masco (MAS) | -6.5% |
| Aquitaine Co Canada Ltd (AQC) | -5.9% |
| Virginia Electric & Power Co | -5.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 22, 1979 · Every October 23 · October 24, 1979 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.