Underfolio

Every trading day › 2006

The stock market on January 31, 2006

January 31, 2006, a Tuesday. The S&P 500 fell 0.40% to close at 1280.08. Of 4,863 US stocks that traded, 2,468 rose and 2,139 fell.

The S&P 500-0.40%closed at 1280.08
How big a move#14,419of 24,799 trading days since 1928
$100 in the index since$602price only, to September 24, 2026
Stocks that rose2,468of 4,863; 2,139 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for10stocks

Biggest rises among the 500 largest companies

Sepracor Inc (SEPR)+17.6%
Huntsman Corporation (HUN)+11.4%
Archer Daniels Midland (ADM)+9.6%

Biggest falls among the 500 largest companies

Unum Group (UNM)-15.4%
Paccar (PCAR)-6.5%
Sysco (SYY)-5.5%

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

‹ January 30, 2006 · Every January 31 · February 1, 2006 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.