Newman Dignan & Sheerar Inc. reduced its stake in Quanta Services, Inc. (NYSE:PWR – Free Report) by 4.5% during the third quarter, HoldingsChannel reports. The firm owned 11,795 shares of the construction company’s stock after selling 550 shares during the quarter. Newman Dignan & Sheerar Inc.’s holdings in Quanta Services were worth $2,207,000 at the […]