Underfolio

Every trading day › 1980

The stock market on May 30, 1980

May 30, 1980, a Friday. The S&P 500 rose 0.88% to close at 111.24. Of 4,533 US stocks that traded, 1,312 rose and 1,096 fell.

The S&P 500+0.88%closed at 111.24
How big a move#7,135of 24,799 trading days since 1928
$100 in the index since$6,926price only, to September 24, 2026
Stocks that rose1,312of 4,533; 1,096 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Paramount Communications Inc (PCI)+10.2%
Salomon+10.0%
Chrysler Corp (C)+6.0%

Biggest falls among the 500 largest companies

Signal Companies (SGN)-3.2%
Knight Ridder (KRI)-3.1%
Nalco Chemical Co (NLC)-3.0%

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

‹ May 29, 1980 · Every May 30 · June 2, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.