Underfolio

Every trading day › 1975

The stock market on December 30, 1975

December 30, 1975, a Tuesday. The S&P 500 fell 0.40% to close at 89.77. Of 4,629 US stocks that traded, 1,007 rose and 1,395 fell.

The S&P 500-0.40%closed at 89.77
How big a move#14,381of 24,799 trading days since 1928
$100 in the index since$8,582price only, to September 24, 2026
Stocks that rose1,007of 4,629; 1,395 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Missouri Pacific Rr+5.8%
Broadway Stores Inc (BWY)+5.5%
Dillon Cos (DLL)+4.2%

Biggest falls among the 500 largest companies

Cbi Industries Inc (CBI)-5.5%
Pittston Brinks (PZB)-5.3%
Armstrong Holdings (ACK)-5.0%

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

‹ December 29, 1975 · Every December 30 · December 31, 1975 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.