The stock market on March 29, 1971
March 29, 1971, a Monday. The S&P 500 rose 0.08% to close at 100.03. Of 2,303 US stocks that traded, 901 rose and 995 fell.
The S&P 500+0.08%closed at 100.03
How big a move#22,473of 24,799 trading days since 1928
$100 in the index since$7,702price only, to September 24, 2026
Stocks that rose901of 2,303; 995 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Kennecott (KN) | +5.4% |
| Centel Corp (CNT) | +4.7% |
| Bunker Ramo Corp (BR) | +4.6% |
Biggest falls among the 500 largest companies
| Gk Technologies Inc (GK.) | -6.2% |
| Boeing (BA) | -5.5% |
| Colgate-Palmolive (CL) | -3.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ March 26, 1971 · Every March 29 · March 30, 1971 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.