The stock market on May 21, 1979
May 21, 1979, a Monday. The S&P 500 rose 0.21% to close at 100.14. Of 4,518 US stocks that traded, 1,369 rose and 1,021 fell.
The S&P 500+0.21%closed at 100.14
How big a move#18,759of 24,799 trading days since 1928
$100 in the index since$7,693price only, to September 24, 2026
Stocks that rose1,369of 4,518; 1,021 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Reliance Electric Co -old (REE) | +28.8% |
| Fairchild Camera & Instr (FCI) | +12.9% |
| Twentieth Century-Fox Film | +9.4% |
Biggest falls among the 500 largest companies
| Crown Zellerbach | -6.9% |
| Signal Companies (SGN) | -4.4% |
| Heublein (HBL) | -4.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 18, 1979 · Every May 21 · May 22, 1979 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.