Underfolio

Every trading day › 1989

The stock market on October 31, 1989

October 31, 1989, a Tuesday. The S&P 500 rose 1.58% to close at 340.36. Of 5,883 US stocks that traded, 2,252 rose and 1,381 fell.

The S&P 500+1.58%closed at 340.36
How big a move#2,761of 24,799 trading days since 1928
$100 in the index since$2,264price only, to September 24, 2026
Stocks that rose2,252of 5,883; 1,381 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for7stocks

Biggest rises among the 500 largest companies

Great Northern Nekoosa (GNN)+47.1%
Union Camp (UCC)+7.9%
Oracle (ORCL)+6.9%

Biggest falls among the 500 largest companies

Ocean Drilling & Exploration (ODR)-5.5%
Unisys (UIS)-4.9%
Georgia-Pacific (GP)-4.7%

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

‹ October 30, 1989 · Every October 31 · November 1, 1989 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.