Underfolio

Every trading day › 1997

The stock market on April 21, 1997

April 21, 1997, a Monday. The S&P 500 fell 0.78% to close at 760.37. Of 7,476 US stocks that traded, 2,054 rose and 3,859 fell.

The S&P 500-0.78%closed at 760.37
How big a move#8,255of 24,799 trading days since 1928
$100 in the index since$1,013price only, to September 24, 2026
Stocks that rose2,054of 7,476; 3,859 fell
Biggest companyGeneral Electricby market value that day

Biggest rises among the 500 largest companies

Silicon Graphics (SGI)+9.7%
Anadarko Petroleum (APC)+5.0%
ITT Industries (IIN)+3.7%

Biggest falls among the 500 largest companies

ADC Telecommunications (ADCT)-11.4%
U S Robotics Corp (USRX)-11.2%
3Com Corp (COMS.)-9.8%

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

‹ April 18, 1997 · Every April 21 · April 22, 1997 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.