The share price of ProPetro Holding Corp. (NYSE:PUMP) fell by 20% between December 10 and December 17, 2025, putting it among the Energy Stocks that Lost the Most This Week. ProPetro Holding (PUMP) Slumps Following Decline in Oil Price ProPetro Holding Corp. (NYSE:PUMP) is an oilfield services company that engages in the provision of hydraulic fracturing and other complementary services. ProPetro Holding Corp. (NYSE:PUMP) slumped despite a series of positive developments for the stock over the last few ...