Underfolio

Every trading day › 1970

The stock market on January 21, 1970

January 21, 1970, a Wednesday. The S&P 500 rose 0.13% to close at 89.95. Of 2,208 US stocks that traded, 961 rose and 872 fell.

The S&P 500+0.13%closed at 89.95
How big a move#20,867of 24,799 trading days since 1928
$100 in the index since$8,565price only, to September 24, 2026
Stocks that rose961of 2,208; 872 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Gk Technologies Inc (GK.)+11.0%
Telex Corp (TC)+8.0%
Honeywell International (HON)+7.9%

Biggest falls among the 500 largest companies

Uccel Corp (UCE)-9.3%
Champion International (CHA)-7.8%
Mcdermott Intl Inc (MDRIQ)-5.9%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ January 20, 1970 · Every January 21 · January 22, 1970 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.