Underfolio

Every trading day › 1990

The stock market on August 9, 1990

August 9, 1990, a Thursday. The S&P 500 rose 0.47% to close at 339.94. Of 5,828 US stocks that traded, 2,111 rose and 1,519 fell.

The S&P 500+0.47%closed at 339.94
How big a move#12,964of 24,799 trading days since 1928
$100 in the index since$2,266price only, to September 24, 2026
Stocks that rose2,111of 5,828; 1,519 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

OfficeMax (BCC)+9.3%
Chiquita Brands Intl. (CQB)+8.6%
Bank of New York Co. (BK)+7.4%

Biggest falls among the 500 largest companies

Continental Corp. (CIC)-4.2%
USF&G Corporation (United States Fidelity & Guaranty) (FG)-4.2%
Sundstrand Corp (SNS)-3.9%

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

‹ August 8, 1990 · Every August 9 · August 10, 1990 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.