Underfolio

Every trading day › 1980

The stock market on September 3, 1980

September 3, 1980, a Wednesday. The S&P 500 rose 1.92% to close at 126.12. Of 4,583 US stocks that traded, 2,403 rose and 692 fell.

The S&P 500+1.92%closed at 126.12
How big a move#1,825of 24,799 trading days since 1928
$100 in the index since$6,109price only, to September 24, 2026
Stocks that rose2,403of 4,583; 692 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Pullman (PU)+15.8%
Cray Research (CYR)+11.1%
Ford Motor (F)+8.5%

Biggest falls among the 500 largest companies

Wang Labs Inc (WANG)-2.7%
PepsiCo (PEP)-2.4%
Pioneer Corp-Texas (PNA)-2.3%

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

‹ September 2, 1980 · Every September 3 · September 4, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.