Underfolio

Every trading day › 2006

The stock market on October 23, 2006

October 23, 2006, a Monday. The S&P 500 rose 0.62% to close at 1377.02. Of 4,849 US stocks that traded, 2,498 rose and 2,090 fell.

The S&P 500+0.62%closed at 1377.02
How big a move#10,509of 24,799 trading days since 1928
$100 in the index since$559price only, to September 24, 2026
Stocks that rose2,498of 4,849; 2,090 fell
Biggest companyExxon Mobilby market value that day

Biggest rises among the 500 largest companies

Wm. Wrigley Jr. (WWY)+13.7%
General Motors (GM)+5.5%
Bea Systems Inc (BEAS)+5.5%

Biggest falls among the 500 largest companies

Forest Laboratories (FRX)-5.7%
Marvell Technology Group Ltd. (MRVL)-4.2%
SanDisk (SNDK)-3.5%

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

‹ October 20, 2006 · Every October 23 · October 24, 2006 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.