Underfolio

Every trading day › 2011

The stock market on October 18, 2011

October 18, 2011, a Tuesday. The S&P 500 rose 2.04% to close at 1225.38. Of 4,012 US stocks that traded, 3,068 rose and 735 fell.

The S&P 500+2.04%closed at 1225.38
How big a move#1,605of 24,799 trading days since 1928
$100 in the index since$629price only, to September 24, 2026
Stocks that rose3,068of 4,012; 735 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Regions Financial (RF)+10.7%
State Street Corp. (STT)+10.7%
Bank of America Corp. (BAC)+10.1%

Biggest falls among the 500 largest companies

Hospira (HSP)-21.0%
Harley-Davidson (HOG)-7.0%
Regeneron Pharmaceuticals (REGN)-6.4%

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

‹ October 17, 2011 · Every October 18 · October 19, 2011 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.