Underfolio

Every trading day › 1999

The stock market on February 23, 1999

February 23, 1999, a Tuesday. The S&P 500 fell 0.08% to close at 1271.18. Of 6,950 US stocks that traded, 2,738 rose and 3,147 fell.

The S&P 500-0.08%closed at 1271.18
How big a move#22,604of 24,799 trading days since 1928
$100 in the index since$606price only, to September 24, 2026
Stocks that rose2,738of 6,950; 3,147 fell
Biggest companyMicrosoftby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Immunex (IMNX)+15.1%
Network Assocs (NETA)+14.3%
Abovenet Inc (ABVT)+9.8%

Biggest falls among the 500 largest companies

Qwest Communications (Q)-7.3%
Linear Technology (LLTC)-7.2%
HealthSouth (HRC)-6.8%

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

‹ February 22, 1999 · Every February 23 · February 24, 1999 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.