Underfolio

Every trading day › 1999

The stock market on August 31, 1999

August 31, 1999, a Tuesday. The S&P 500 fell 0.27% to close at 1320.41. Of 6,790 US stocks that traded, 2,620 rose and 3,019 fell.

The S&P 500-0.27%closed at 1320.41
How big a move#17,159of 24,799 trading days since 1928
$100 in the index since$583price only, to September 24, 2026
Stocks that rose2,620of 6,790; 3,019 fell
Biggest companyMicrosoftby market value that day
Last day of trading for7stocks

Biggest rises among the 500 largest companies

I C G Group Inc (ICGE)+27.4%
Homestore.Com (HOMS)+22.4%
Paychex, Inc. (PAYX)+12.7%

Biggest falls among the 500 largest companies

Office Depot (ODP)-24.1%
Willamette Industries (WLL)-6.9%
Torchmark Cp (TMK)-6.4%

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

‹ August 30, 1999 · Every August 31 · September 1, 1999 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.