The stock market on August 17, 1971
August 17, 1971, a Tuesday. The S&P 500 rose 1.25% to close at 99.99. Of 2,338 US stocks that traded, 1,262 rose and 752 fell.
The S&P 500+1.25%closed at 99.99
How big a move#4,298of 24,799 trading days since 1928
$100 in the index since$7,705price only, to September 24, 2026
Stocks that rose1,262of 2,338; 752 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Arlen Corp (ARRD) | +12.6% |
| General Motors (GM) | +11.7% |
| Burlington Industries Equity | +9.6% |
Biggest falls among the 500 largest companies
| Pan Am Corp | -7.7% |
| Lucky Stores (LKS) | -6.6% |
| OfficeMax (BCC) | -6.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 16, 1971 · Every August 17 · August 18, 1971 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.