Underfolio

Every trading day › 1998

The stock market on December 31, 1998

December 31, 1998, a Thursday. The S&P 500 fell 0.22% to close at 1229.23. Of 7,037 US stocks that traded, 4,507 rose and 1,707 fell.

The S&P 500-0.22%closed at 1229.23
How big a move#18,526of 24,799 trading days since 1928
$100 in the index since$627price only, to September 24, 2026
Stocks that rose4,507of 7,037; 1,707 fell
Biggest companyMicrosoftby market value that day
Last day of trading for20stocks

Biggest rises among the 500 largest companies

Convergys (CVG)+14.7%
Nextel Communications (NXTL)+12.2%
Amoco Corp (AN)+9.4%

Biggest falls among the 500 largest companies

Franklin Resources (BEN)-9.4%
Verizon Communications (BEL)-6.1%
Crestar Financial Corp (CF)-5.9%

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

‹ December 30, 1998 · Every December 31 · January 4, 1999 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.