Underfolio

Every trading day › 1998

The stock market on May 21, 1998

May 21, 1998, a Thursday. The S&P 500 fell 0.39% to close at 1114.64. Of 7,379 US stocks that traded, 2,660 rose and 3,479 fell.

The S&P 500-0.39%closed at 1114.64
How big a move#14,484of 24,799 trading days since 1928
$100 in the index since$691price only, to September 24, 2026
Stocks that rose2,660of 7,379; 3,479 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for4stocks

Biggest rises among the 500 largest companies

ADC Telecommunications (ADCT)+5.8%
Humana (HUM)+5.3%
Providian Financial (PVN)+4.3%

Biggest falls among the 500 largest companies

Dell (DELL)-5.1%
Honeywell (HON.Z)-5.0%
3Com Corp (COMS.)-4.8%

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

‹ May 20, 1998 · Every May 21 · May 22, 1998 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.