The share price of Diamondback Energy, Inc. (NASDAQ:FANG) fell by 6.57% between December 31, 2025, and January 7, 2026, putting it among the Energy Stocks that Lost the Most This Week. Analyst Trims Diamondback Energy (FANG) Price Target by $2, Keeps 'Buy' Rating Diamondback Energy, Inc. (NASDAQ:FANG) is an independent oil and natural gas company, focused on the acquisition, development, exploration, and exploitation of unconventional, onshore oil and natural gas reserves in the Permian Basin in West Tex ...