Underfolio

Every trading day › 1985

The stock market on February 27, 1985

February 27, 1985, a Wednesday. The S&P 500 fell 0.25% to close at 180.71. Of 5,731 US stocks that traded, 1,562 rose and 1,806 fell.

The S&P 500-0.25%closed at 180.71
How big a move#17,620of 24,799 trading days since 1928
$100 in the index since$4,263price only, to September 24, 2026
Stocks that rose1,562of 5,731; 1,806 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Sperry (SY)+7.5%
American Natural Resource (ANR)+5.3%
Campbell Red Lake Mines (CRK)+3.8%

Biggest falls among the 500 largest companies

Texas Oil & Gas (TXO)-6.6%
Apple (AAPL)-6.1%
ITT Industries (IIN)-5.9%

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

‹ February 26, 1985 · Every February 27 · February 28, 1985 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.