Underfolio

Every trading day › 1989

The stock market on October 27, 1989

October 27, 1989, a Friday. The S&P 500 fell 0.85% to close at 335.06. Of 5,886 US stocks that traded, 1,133 rose and 2,519 fell.

The S&P 500-0.85%closed at 335.06
How big a move#7,463of 24,799 trading days since 1928
$100 in the index since$2,299price only, to September 24, 2026
Stocks that rose1,133of 5,886; 2,519 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Homestake Mining (HM)+7.1%
Newmont Mining (NEM)+5.2%
Battle Mountain Gold Co (BMG)+4.7%

Biggest falls among the 500 largest companies

Golden West Financial (GDW)-7.6%
Fannie Mae (FNMA)-7.4%
Oracle (ORCL)-6.6%

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

‹ October 26, 1989 · Every October 27 · October 30, 1989 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.