US stocks posted their best monthly performance of the year, led by the Dow Jones Industrial Average with a gain of 7.1%. Within the S&P 500 sectors, industrial and material companies rose the most in July. What follows is a summary of this week's statistics on the markets.Historical July PerformanceDow Jones Industrial Average [ .DJIA 12613.08
-18.92 (-0.15%) ]
S&P 500 [ .SPX 1326.19
-4.47 (-0.34%) ]