Underfolio

Every trading day › 1997

The stock market on October 27, 1997

October 27, 1997, a Monday. The S&P 500 fell 6.87% to close at 876.99. Of 7,466 US stocks that traded, 489 rose and 6,384 fell.

The S&P 500-6.87%closed at 876.99
How big a move#71of 24,799 trading days since 1928
$100 in the index since$878price only, to September 24, 2026
Stocks that rose489of 7,466; 6,384 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for2stocks

Biggest falls among the 500 largest companies

Advanced Micro Devices (AMD)-19.8%
Newmont Mining (NEM)-16.7%
UnitedHealth Group (UNH)-16.7%

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

‹ October 24, 1997 · Every October 27 · October 28, 1997 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.