Wall Street

December 15, 2011 - 9:15 AM
FILE - In this Dec. 12, 2011 file photo, specialist John O'Hara, right, works on the floor of the New York Stock Exchange. Signs of a global economic slowdown and stresses in Europe's financial system kept investors cautious on Thursday, Dec. 15, 2011, causing losses in Asian markets, limiting gains in Europe and keeping the euro near 11-month lows.(AP Photo/Richard Drew, File)