The stock market on October 20, 1971
October 20, 1971, a Wednesday. The S&P 500 fell 1.39% to close at 95.65. Of 2,368 US stocks that traded, 388 rose and 1,563 fell.
The S&P 500-1.39%closed at 95.65
How big a move#3,550of 24,799 trading days since 1928
$100 in the index since$8,055price only, to September 24, 2026
Stocks that rose388of 2,368; 1,563 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| TECO Energy (TE) | +3.7% |
| Kerr-McGee (KMG) | +3.7% |
| Virginia Electric & Power Co | +3.3% |
Biggest falls among the 500 largest companies
| Scott Paper (SPP) | -11.9% |
| American Cyanamid (ACY) | -7.6% |
| Sperry (SY) | -7.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 19, 1971 · Every October 20 · October 21, 1971 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.