Underfolio

Every trading day › 1979

The stock market on October 16, 1979

October 16, 1979, a Tuesday. The S&P 500 fell 0.16% to close at 103.19. Of 4,503 US stocks that traded, 1,037 rose and 1,393 fell.

The S&P 500-0.16%closed at 103.19
How big a move#20,064of 24,799 trading days since 1928
$100 in the index since$7,466price only, to September 24, 2026
Stocks that rose1,037of 4,503; 1,393 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

McKesson (MCK)+8.8%
Tosco (TOS)+5.1%
Pogo Producing Co (PPP)+3.6%

Biggest falls among the 500 largest companies

Burlington Northern Santa Fe-5.2%
American Hospital Supply (AHS)-5.0%
Gatx (GMT)-4.3%

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

‹ October 15, 1979 · Every October 16 · October 17, 1979 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.