Underfolio

Every trading day › 1978

The stock market on February 23, 1978

February 23, 1978, a Thursday. The S&P 500 rose 0.09% to close at 87.64. Of 4,573 US stocks that traded, 1,205 rose and 1,031 fell.

The S&P 500+0.09%closed at 87.64
How big a move#22,078of 24,799 trading days since 1928
$100 in the index since$8,791price only, to September 24, 2026
Stocks that rose1,205of 4,573; 1,031 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Northrop Grumman (NOC)+4.4%
Coastal+4.2%
Bethlehem Steel+3.7%

Biggest falls among the 500 largest companies

Chrysler Corp (C)-8.2%
Petrie Stores Liquidation Tr-5.7%
Studebaker-Worthington Inc (SKW)-4.7%

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

‹ February 22, 1978 · Every February 23 · February 24, 1978 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.