The stock market on March 21, 1975
March 21, 1975, a Friday. The S&P 500 fell 0.26% to close at 83.39. Of 4,582 US stocks that traded, 1,081 rose and 1,384 fell.
The S&P 500-0.26%closed at 83.39
How big a move#17,372of 24,799 trading days since 1928
$100 in the index since$9,239price only, to September 24, 2026
Stocks that rose1,081of 4,582; 1,384 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Dana (DAN) | +7.5% |
| Warner Communications (WCI) | +5.8% |
| NiSource (NI) | +4.4% |
Biggest falls among the 500 largest companies
| Rockwell Automation (ROK) | -8.8% |
| Knight Ridder (KRI) | -8.1% |
| Houston Pipe Line Co | -6.2% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ March 20, 1975 · Every March 21 · March 24, 1975 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.