The stock market on May 20, 1971
May 20, 1971, a Thursday. The S&P 500 rose 0.24% to close at 101.31. Of 2,320 US stocks that traded, 989 rose and 834 fell.
The S&P 500+0.24%closed at 101.31
How big a move#18,041of 24,799 trading days since 1928
$100 in the index since$7,605price only, to September 24, 2026
Stocks that rose989of 2,320; 834 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Sprint Nextel (FON) | +5.5% |
| Dun & Bradstreet Holdngs Inc (DNB) | +5.4% |
| CNA Financial Corporation (CNA) | +5.0% |
Biggest falls among the 500 largest companies
| Gk Technologies Inc (GK.) | -4.5% |
| Times Mirror Co -ser A (TMC) | -4.0% |
| Texasgulf (TG) | -3.9% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 19, 1971 · Every May 20 · May 21, 1971 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.