Underfolio

Every trading day › 1990

The stock market on September 27, 1990

September 27, 1990, a Thursday. The S&P 500 fell 1.34% to close at 300.97. Of 5,803 US stocks that traded, 998 rose and 2,715 fell.

The S&P 500-1.34%closed at 300.97
How big a move#3,822of 24,799 trading days since 1928
$100 in the index since$2,560price only, to September 24, 2026
Stocks that rose998of 5,803; 2,715 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

CMS Energy (CMS)+5.3%
Union Carbide+4.4%
Eex Corp (EEX)+3.5%

Biggest falls among the 500 largest companies

Unisys (UIS)-23.2%
Bank of America Corp. (BAC)-13.4%
Progressive (PGR)-12.6%

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

‹ September 26, 1990 · Every September 27 · September 28, 1990 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.