The Dow Jones climbed 58.53 points Monday to close at 5,600.15, bringing its gains to more than 9.4 percent so far this year and its rise to more than 41 percent for the past 12 months. Big Board volume totaled 397.83 million shares as of 4 p.m. The NYSE's composite index rose 2.26 to 351.70. The Standard & Poor's 500-stock index rose 5.09 to 661.46. The Nasdaq composite index gained 0.66 to close at 1095.26. The AMEX market value inex fell 1.55 to 562.46.In London, Gold closed at $403.45 off $1.80.