Marathon Petroleum's quarterly profit tops Wall Street estimates on margin boost
Source: Reuters
Nov 1 (Reuters) - Marathon Petroleum's (MPC.N) quarterly profit topped Wall Street's estimate on Tuesday, becoming the latest U.S. refiner to benefit from robust fuel demand and refining margins amid tight supplies.Shares rose 2.1% in pre-market trade to $116.U.S. refiners are posting bumper profits with refineries running at record levels this year, strong export demand amid a squeezed supply due to Russia's…