Van ECK Associates Corp grew its holdings in shares of ProPetro Holding Corp. (NYSE:PUMP – Get Rating) by 7.8% in the fourth quarter, HoldingsChannel.com reports. The fund owned 2,895,403 shares of the company’s stock after acquiring an additional 209,945 shares during the quarter. Van ECK Associates Corp’s holdings in ProPetro were worth $30,025,000 at the […]