Underfolio

Every trading day › 1997

The stock market on March 31, 1997

March 31, 1997, a Monday. The S&P 500 fell 2.17% to close at 757.12. Of 7,474 US stocks that traded, 1,849 rose and 4,239 fell.

The S&P 500-2.17%closed at 757.12
How big a move#1,418of 24,799 trading days since 1928
$100 in the index since$1,018price only, to September 24, 2026
Stocks that rose1,849of 7,474; 4,239 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for6stocks

Biggest rises among the 500 largest companies

AutoNation (AN)+5.9%
Bay Networks (BAY)+3.6%
Sigma-Aldrich (SIAL)+3.4%

Biggest falls among the 500 largest companies

Ascend Communications (ASND)-21.6%
Synovus Financial Corp. (SNV)-16.3%
Clmbia Hca Hlthc (COL)-10.3%

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

‹ March 27, 1997 · Every March 31 · April 1, 1997 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.