Underfolio

Every trading day › 1990

The stock market on August 13, 1990

August 13, 1990, a Monday. The S&P 500 rose 0.99% to close at 338.84. Of 5,828 US stocks that traded, 1,594 rose and 2,075 fell.

The S&P 500+0.99%closed at 338.84
How big a move#6,130of 24,799 trading days since 1928
$100 in the index since$2,274price only, to September 24, 2026
Stocks that rose1,594of 5,828; 2,075 fell
Biggest companyExxon Mobilby market value that day

Biggest rises among the 500 largest companies

Whirlpool (WHR)+7.5%
Amgen (AMGN)+6.8%
Conner Peripherals (CNR)+6.3%

Biggest falls among the 500 largest companies

Sun Microsystems (SUNW)-4.8%
OfficeMax (BCC)-4.1%
Bruno's-4.0%

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

‹ August 10, 1990 · Every August 13 · August 14, 1990 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.