U.S. stock markets were mixed after the Christmas break with uncertainty over budget talks in Washington setting the mood on Wall Street. In midmorning trading Wednesday, the Dow Jones industrial average lost added 2.70 points or 0.02 percent to 13,141.78. The Nasdaq lost 9.35 points or 0.31 percent to 3,003.25. The Standard & Poor\'s 500 shed 2.25 points or 0.16 percent to 1,424.41. The 10-year treasury note was up 6/32 to yield 1.757 percent. Against the yen, the dollar was higher at 85.55 from Monday\'s 84.81. The euro rose to $1.3243 from $1.3183. In Tokyo, the Nikkei 225 index added 1.49 percent, 150.24 points, to 10,230.35.