Underfolio

Every trading day › 1978

The stock market on February 21, 1978

February 21, 1978, a Tuesday. The S&P 500 fell 0.42% to close at 87.59. Of 4,574 US stocks that traded, 883 rose and 1,419 fell.

The S&P 500-0.42%closed at 87.59
How big a move#13,932of 24,799 trading days since 1928
$100 in the index since$8,796price only, to September 24, 2026
Stocks that rose883of 4,574; 1,419 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

CNA Financial Corporation (CNA)+6.3%
Continental Telecom (CTC)+3.3%
Asarco Inc (AR)+3.2%

Biggest falls among the 500 largest companies

Textron (TXT)-4.8%
Amax Inc. (AMX)-4.6%
W.W. Grainger (GWW)-4.5%

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

‹ February 17, 1978 · Every February 21 · February 22, 1978 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.