The stock market on December 20, 1971
December 20, 1971, a Monday. The S&P 500 rose 1.29% to close at 101.55. Of 2,395 US stocks that traded, 1,502 rose and 520 fell.
The S&P 500+1.29%closed at 101.55
How big a move#4,081of 24,799 trading days since 1928
$100 in the index since$7,587price only, to September 24, 2026
Stocks that rose1,502of 2,395; 520 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Technicon Corp (TCN) | +8.6% |
| Briggs & Stratton (BGG) | +8.5% |
| Deere (DE) | +6.5% |
Biggest falls among the 500 largest companies
| Gdv Inc (GDVI) | -3.8% |
| Texaco (TX) | -3.6% |
| Tektronix (TEK) | -3.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ December 17, 1971 · Every December 20 · December 21, 1971 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.