Article Photos: A slump in McDonald's stock drags Dow lower

Matthew Dez, left, of Getco Securities and Joseph Dente of Murphy and Durieu work on the floor of the New York Stock Exchange, Wednesday, Feb. 13, 2013 in New York. (AP Photo/Henny Ray Abrams)

Matthew Dez, left, of Getco Securities and Joseph Dente of Murphy and Durieu work on the floor of the New York Stock Exchange, Wednesday, Feb. 13, 2013 in New York. (AP Photo/Henny Ray Abrams)