Underfolio

Every trading day › 1969

The stock market on December 18, 1969

December 18, 1969, a Thursday. The S&P 500 rose 1.58% to close at 90.61. Of 2,204 US stocks that traded, 1,373 rose and 507 fell.

The S&P 500+1.58%closed at 90.61
How big a move#2,753of 24,799 trading days since 1928
$100 in the index since$8,503price only, to September 24, 2026
Stocks that rose1,373of 2,204; 507 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Commonwealth Oil Refin (CWLO)+10.1%
Cordant Technologies Inc (CDD)+9.0%
Northwest Airlines (NWA)+8.6%

Biggest falls among the 500 largest companies

Allis-Chalmers Energy Inc (ALY)-5.7%
Wang Labs Inc (WANG)-4.2%
Kroger (KR)-3.8%

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

‹ December 17, 1969 · Every December 18 · December 19, 1969 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.