Underfolio

Every trading day › 1997

The stock market on September 8, 1997

September 8, 1997, a Monday. The S&P 500 rose 0.23% to close at 931.20. Of 7,445 US stocks that traded, 3,582 rose and 2,534 fell.

The S&P 500+0.23%closed at 931.20
How big a move#18,201of 24,799 trading days since 1928
$100 in the index since$827price only, to September 24, 2026
Stocks that rose3,582of 7,445; 2,534 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Time Warner (AOL)+8.8%
Northwest Airlines (NWA)+8.4%
Southwest Airlines (LUV)+7.6%

Biggest falls among the 500 largest companies

Western Digital (WDC)-7.8%
First Data (FDC)-6.8%
KLA Corporation (KLAC)-5.7%

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

‹ September 5, 1997 · Every September 8 · September 9, 1997 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.