While oil stocks rise across the board amid escalating tensions in the Middle East, Diamondback Energy Inc (NASDAQ:FANG) stock is getting an extra boost, up 2.8% to trade at 182.44,afterBarclaysupgradedtheoilequityto"overweight"from"equalweight."Theanalystincoveragenotedthecompanyhasoneofthe"clearestpositiveeventpaths,"pointingtowardsits26 billion acquisition of Endeavor Energy. Diamondback Energy stock opened today's session at $183, and is testing a channel of lower lows si ...