A. O. Smith (NYSE:AOS – Get Free Report) announced its earnings results on Thursday. A. O. Smith Price PerformanceShares of A. O. Smith stock traded up $4.71 during trading on Thursday, reaching $74.20. Weiss Ratings reiterated a “hold (c)” rating on shares of A. O. Smith in a research report on Wednesday, December 24th. Glenmede Investment Management LP increased its stake in shares of A. O. Smith by 11.3% during the third quarter. More A. O. Smith NewsHere are the key news stories impacting A. O. Smith this week:A. O. Smith Company Profile(Get Free Report)A. O. Smith Corporation, based in Milwaukee, Wisconsin, is a leading manufacturer of water heating and water treatment products for residential and commercial applications.