Underfolio

Every trading day › 1980

The stock market on September 26, 1980

September 26, 1980, a Friday. The S&P 500 fell 1.84% to close at 126.35. Of 4,599 US stocks that traded, 463 rose and 2,925 fell.

The S&P 500-1.84%closed at 126.35
How big a move#1,998of 24,799 trading days since 1928
$100 in the index since$6,097price only, to September 24, 2026
Stocks that rose463of 4,599; 2,925 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Fina Inc -cl A (FI)+4.0%
Texaco (TX)+1.7%

Biggest falls among the 500 largest companies

Campbell Red Lake Mines (CRK)-11.2%
Advanced Micro Devices (AMD)-8.2%
Computervision Corp -old (CVN)-7.7%

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

‹ September 25, 1980 · Every September 26 · September 29, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.