Enpro (NYSE:NPO – Get Free Report) was upgraded by investment analysts at Zacks Research from a “hold” rating to a “strong-buy” rating in a research report issued on Wednesday,Zacks.com reports. KeyCorp increased their price objective on Enpro from $345.00 to $370.00 and gave the company an “overweight” rating in a research report on Monday, July 13th. Finally, Weiss Ratings raised Enpro from a “hold (c)” rating to a “hold (c+)” rating in a report on Wednesday, July 29th. One analyst has rated the stock with a Strong Buy rating, three have given a Buy rating and one has assigned a Hold rating to the company. Get Enpro alerts:View Our Latest Stock Report on NPOEnpro Price PerformanceShares of NYSE:NPO opened at $335.36 on Wednesday.