ProPetro Holding Corp. (NYSE:PUMP – Get Free Report) shares saw unusually-strong trading volume on Tuesday . Zacks Research upgraded shares of ProPetro from a “strong sell” rating to a “hold” rating in a report on Thursday, October 23rd. Based on data from MarketBeat, ProPetro currently has an average rating of “Hold” and an average target price of $12.67. Also, Director Michele Vion sold 6,916 shares of ProPetro stock in a transaction that occurred on Friday, October 31st. ProPetro Company Profile(Get Free Report)ProPetro Holding Corp is a publicly traded oilfield services company that specializes in hydraulic fracturing and well completion solutions for exploration and production operators.