Underfolio

Every trading day › 1997

The stock market on October 1, 1997

October 1, 1997, a Wednesday. The S&P 500 rose 0.86% to close at 955.41. Of 7,446 US stocks that traded, 3,390 rose and 2,868 fell.

The S&P 500+0.86%closed at 955.41
How big a move#7,361of 24,799 trading days since 1928
$100 in the index since$806price only, to September 24, 2026
Stocks that rose3,390of 7,446; 2,868 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for6stocks

Biggest rises among the 500 largest companies

MCI Communications (MCIC.)+20.2%
St. Joe Company (The) (JOE)+16.2%
Synovus Financial Corp. (SNV)+9.0%

Biggest falls among the 500 largest companies

Advanced Micro Devices (AMD)-17.1%
Quantum (QMCO)-6.2%
Western Digital (WDC)-5.9%

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

‹ September 30, 1997 · Every October 1 · October 2, 1997 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.