This industrial stock is ending July with a bang. After closing lower on Monday and Tuesday this week, shares of electrical solutions provider Powell Industries (POWL 38.42%) are roaring higher today after the company reported strong third-quarter results yesterday after markets closed. As of 11:30 a.m. ET on Wesnesday, shares of Powell Industries are up 30.9%. What's charging up investor excitement about the company's performance? Smashing analysts' expectations that it would report $222.2 million on the t ...