Underfolio

Every trading day › 2005

The stock market on September 12, 2005

September 12, 2005, a Monday. The S&P 500 fell 0.07% to close at 1240.56. Of 4,893 US stocks that traded, 2,551 rose and 2,071 fell.

The S&P 500-0.07%closed at 1240.56
How big a move#22,634of 24,799 trading days since 1928
$100 in the index since$621price only, to September 24, 2026
Stocks that rose2,551of 4,893; 2,071 fell
Biggest companyExxon Mobilby market value that day

Biggest rises among the 500 largest companies

Siebel Systems (SEBL)+12.7%
Celgene (CELG)+10.0%
Electronic Arts (ERTS)+5.3%

Biggest falls among the 500 largest companies

Commerce Bancorp (CBH)-8.9%
Sunoco (SUN)-4.5%
Halliburton (HAL)-3.8%

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

‹ September 9, 2005 · Every September 12 · September 13, 2005 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.