FILE - In this Monday, Jan. 27, 2014, file photo, trader Andrew Silverman, right, works on the floor of the New York Stock Exchange. Stocks are higher in early trading on Wall Street, Tuesday, Jan. ... more 
FILE - In this Monday, Jan. 27, 2014, file photo, trader Andrew Silverman, right, works on the floor of the New York Stock Exchange. Stocks are higher in early trading on Wall Street, Tuesday, Jan. 28, 2014, as the stock market turns positive after three days of losses. (AP Photo/Richard Drew, File) less 
1 / 30
Associated Press | Photo By Richard Drew, File
Tue, Jan 28, 2014 10:15 AM EST