Underfolio

Every trading day › 1990

The stock market on August 8, 1990

August 8, 1990, a Wednesday. The S&P 500 rose 1.05% to close at 338.35. Of 5,833 US stocks that traded, 2,291 rose and 1,398 fell.

The S&P 500+1.05%closed at 338.35
How big a move#5,622of 24,799 trading days since 1928
$100 in the index since$2,277price only, to September 24, 2026
Stocks that rose2,291of 5,833; 1,398 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for6stocks

Biggest rises among the 500 largest companies

Ual Corp. (UAL)+13.4%
United States Surgical Corporation (USS)+9.3%
Aflac (AFL)+9.2%

Biggest falls among the 500 largest companies

ConocoPhillips (P)-4.5%
Nordstrom (JWN)-4.2%
Unocal Exploration Corp (UXC)-3.9%

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

‹ August 7, 1990 · Every August 8 · August 9, 1990 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.