In this Tuesday, Jan. 8, 2013, photo, Traders Todd Ingrilli, left, and Michael Urkonis, center, work on the floor of the New York Stock Exchange. World stock markets rose Wednesday afte

 

              In this Tuesday, Jan. 8, 2013, photo, Traders Todd Ingrilli, left, and Michael Urkonis, center, work on the floor of the New York Stock Exchange. World stock markets rose Wednesday afte
In this Tuesday, Jan. 8, 2013, photo, Traders Todd Ingrilli, left, and Michael Urkonis, center, work on the floor of the New York Stock Exchange. World stock markets rose Wednesday after the fourth-quarter earnings season got off to a positive start in the U.S. with aluminum giant Alcoa forecasting higher demand for 2013. (AP Photo/Richard Drew)