The stock market on August 9, 1971
August 9, 1971, a Monday. The S&P 500 fell 0.76% to close at 93.53. Of 2,331 US stocks that traded, 530 rose and 1,355 fell.
The S&P 500-0.76%closed at 93.53
How big a move#8,458of 24,799 trading days since 1928
$100 in the index since$8,237price only, to September 24, 2026
Stocks that rose530of 2,331; 1,355 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Ideal Basic Industries (IDL) | +4.4% |
| H&R Block (HRB) | +3.7% |
| Jewel Cos Inc (JWL.) | +3.0% |
Biggest falls among the 500 largest companies
| McDonnell Douglas (MD) | -7.1% |
| Pitney Bowes (PBI) | -6.0% |
| Norton Simon (NSI) | -4.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 6, 1971 · Every August 9 · August 10, 1971 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.