In the latest market close, Diamondback Energy (FANG) reached $168.50, with a -1.74% movement compared to the previous day. This change lagged the S&P 500's 1.07% gain on the day. Elsewhere, the Dow gained 0.31%, while the tech-heavy Nasdaq added 2.17%.Heading into today, shares of the energy exploration and production company had lost 12.57% over the past month, lagging the Oils-Energy sector's loss of 4.22% and the S&P 500's gain of 2.92% in that time.Analysts and investors alike will be keeping a close e ...