Underfolio

Every trading day › 1977

The stock market on February 23, 1977

February 23, 1977, a Wednesday. The S&P 500 fell 0.30% to close at 100.19. Of 4,683 US stocks that traded, 1,059 rose and 1,434 fell.

The S&P 500-0.30%closed at 100.19
How big a move#16,568of 24,799 trading days since 1928
$100 in the index since$7,690price only, to September 24, 2026
Stocks that rose1,059of 4,683; 1,434 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Dome Mines (DM)+3.0%
Fina Inc -cl A (FI)+2.8%
UnumProvident (PVT..)+2.6%

Biggest falls among the 500 largest companies

First Chicago Corp (FNB.)-8.1%
Entergy Gulf States La LLC-6.1%
USLIFE Corporation (USH)-5.2%

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

‹ February 22, 1977 · Every February 23 · February 24, 1977 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.