Underfolio

Every trading day › 1997

The stock market on October 31, 1997

October 31, 1997, a Friday. The S&P 500 rose 1.21% to close at 914.62. Of 7,465 US stocks that traded, 4,201 rose and 2,142 fell.

The S&P 500+1.21%closed at 914.62
How big a move#4,493of 24,799 trading days since 1928
$100 in the index since$842price only, to September 24, 2026
Stocks that rose4,201of 7,465; 2,142 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for5stocks

Biggest rises among the 500 largest companies

Cadence Des Sys (CDN)+10.4%
Starz (STRZA)+8.4%
Altera (ALTR)+7.9%

Biggest falls among the 500 largest companies

AutoNation (AN)-6.2%
Colgate-Palmolive (CL)-4.7%
Avon Products (AVP)-4.6%

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

‹ October 30, 1997 · Every October 31 · November 3, 1997 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.