Underfolio

Every trading day › 1979

The stock market on July 18, 1979

July 18, 1979, a Wednesday. The S&P 500 fell 0.14% to close at 101.69. Of 4,438 US stocks that traded, 750 rose and 1,820 fell.

The S&P 500-0.14%closed at 101.69
How big a move#20,766of 24,799 trading days since 1928
$100 in the index since$7,576price only, to September 24, 2026
Stocks that rose750of 4,438; 1,820 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Molson Coors Brewing (RKY)+7.8%
Spelling Entertnmt Grp Inc (SP)+7.2%
Caesars World (CAW)+7.1%

Biggest falls among the 500 largest companies

Pharmacia (PNU)-6.3%
Reliance Electric Co -old (REE)-4.9%
Wang Labs Inc (WANG)-4.6%

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

‹ July 17, 1979 · Every July 18 · July 19, 1979 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.