The stock market on September 21, 1973
September 21, 1973, a Friday. The S&P 500 rose 0.41% to close at 107.20. Of 4,994 US stocks that traded, 1,944 rose and 1,065 fell.
The S&P 500+0.41%closed at 107.20
How big a move#14,087of 24,799 trading days since 1928
$100 in the index since$7,187price only, to September 24, 2026
Stocks that rose1,944of 4,994; 1,065 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Texasgulf (TG) | +12.2% |
| TRW Inc. (TRW) | +8.3% |
| Allegheny Technologies (ATI) | +8.3% |
Biggest falls among the 500 largest companies
| Mallinckrodt (MKG) | -6.4% |
| Sara Lee (SLE) | -4.9% |
| Manville (JM) | -4.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 20, 1973 · Every September 21 · September 24, 1973 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.