Underfolio

Every trading day › 1968

The stock market on August 12, 1968

August 12, 1968, a Monday. The S&P 500 rose 1.03% to close at 98.01. Of 2,013 US stocks that traded, 1,239 rose and 530 fell.

The S&P 500+1.03%closed at 98.01
How big a move#5,776of 24,799 trading days since 1928
$100 in the index since$7,861price only, to September 24, 2026
Stocks that rose1,239of 2,013; 530 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Atlantic Richfield (ARCO) (ARC)+6.8%
Amp Inc (AMP)+6.7%
Flagstar Corp+6.6%

Biggest falls among the 500 largest companies

Acf Industries Inc-7.6%
Fairchild Camera & Instr (FCI)-4.5%
Champion Spark Plug (CHM)-4.3%

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

‹ August 9, 1968 · Every August 12 · August 13, 1968 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.