Underfolio

Every trading day › 2001

The stock market on January 17, 2001

January 17, 2001, a Wednesday. The S&P 500 rose 0.21% to close at 1329.47. Of 6,388 US stocks that traded, 3,053 rose and 2,505 fell.

The S&P 500+0.21%closed at 1329.47
How big a move#18,692of 24,799 trading days since 1928
$100 in the index since$579price only, to September 24, 2026
Stocks that rose3,053of 6,388; 2,505 fell
Biggest companyGeneral Electricby market value that day

Biggest rises among the 500 largest companies

Sonus Networks (SONS)+18.3%
Micromuse Inc (MUSE)+17.2%
Avanex Corp (AVNX)+17.1%

Biggest falls among the 500 largest companies

PG&E Corp. (PCG)-12.0%
Immunex (IMNX)-10.4%
Abovenet Inc (ABVT)-9.4%

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

‹ January 16, 2001 · Every January 17 · January 18, 2001 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.