Underfolio

Every trading day › 1990

The stock market on August 15, 1990

August 15, 1990, a Wednesday. The S&P 500 rose 0.20% to close at 340.06. Of 5,824 US stocks that traded, 1,897 rose and 1,649 fell.

The S&P 500+0.20%closed at 340.06
How big a move#19,115of 24,799 trading days since 1928
$100 in the index since$2,266price only, to September 24, 2026
Stocks that rose1,897of 5,824; 1,649 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

West Point Pepperell (WPM)+8.1%
Lowe's (LOW)+7.8%
Rhone-Poulenc Rorer (RPR)+4.7%

Biggest falls among the 500 largest companies

American Homes 4 Rent (AMH)-6.7%
PepsiAmericas (WH)-6.3%
Price Co (PCLB)-5.6%

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

‹ August 14, 1990 · Every August 15 · August 16, 1990 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.