Underfolio

Every trading day › 2008

The stock market on October 17, 2008

October 17, 2008, a Friday. The S&P 500 fell 0.62% to close at 940.55. Of 4,566 US stocks that traded, 1,880 rose and 2,469 fell.

The S&P 500-0.62%closed at 940.55
How big a move#10,416of 24,799 trading days since 1928
$100 in the index since$819price only, to September 24, 2026
Stocks that rose1,880of 4,566; 2,469 fell
Biggest companyExxon Mobilby market value that day

Biggest rises among the 500 largest companies

Calpine+20.9%
N I I Holdings Inc (NIHD)+15.7%
Sara Lee (SLE)+13.1%

Biggest falls among the 500 largest companies

Torchmark Cp (TMK)-14.1%
American International Group, Inc. (AIG)-13.6%
Intuitive Surgical, Inc. (ISRG)-11.9%

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

‹ October 16, 2008 · Every October 17 · October 20, 2008 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.