U.S. stock markets were mixed Monday with investors keeping a wary eye on Europe. A Sunday election returned power in Greece to the pro-bailout New Democracy party, but the margin of victory was slim. As leaders in Greece work toward forming a coalition government, investors are still left with unanswered questions about Spain and Italy and the spreading lack of confidence in government bonds. In early afternoon trading on Wall Street, the Dow Jones industrial average shed 5.07 points or 0.04 percent to 12,762.10. The Nasdaq composite index gained 26.79 points or 0.93 percent to 2,899.59. The Standard and Poor\'s 500 added 3.58 points or 0.27 percent to 1,346.42. The benchmark 10-year treasury note fell 3/32 to yield 1.591 percent. The euro fell to $1.2582 from Friday\'s $1.264. Against the yen, the dollar rose 79.08 yen from Friday\'s 78.71 yen. In Tokyo, the Nikkei 225 index added 1.77 percent, 151.70 points, to 8,721.02. In London, the FTSE 100 index gained 0.22 percent, 12.28, to 5,491.09.