Underfolio

Every trading day › 1999

The stock market on December 30, 1999

December 30, 1999, a Thursday. The S&P 500 rose 0.07% to close at 1464.47. Of 6,717 US stocks that traded, 2,947 rose and 2,885 fell.

The S&P 500+0.07%closed at 1464.47
How big a move#22,788of 24,799 trading days since 1928
$100 in the index since$526price only, to September 24, 2026
Stocks that rose2,947of 6,717; 2,885 fell
Biggest companyMicrosoftby market value that day
Last day of trading for4stocks

Biggest rises among the 500 largest companies

Young & Rubicam Inc (YNR)+12.2%
Novell (NOVL)+10.8%
Geeknet Inc (GKNT)+9.8%

Biggest falls among the 500 largest companies

Homestore.Com (HOMS)-12.8%
T I B C O Software Inc (TIBX)-7.9%
Pe Corp-Cele.Gen (CRA)-7.7%

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

‹ December 29, 1999 · Every December 30 · December 31, 1999 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.