Oppenheimer Upgrades Marathon Petroleum To Outperform

Oppenheimer upgraded Marathon Petroleum Corp MPC from Perform to Outperform. Marathon Petroleum shares have gained 14.96 percent over the past 52 weeks, while the S&P 500 index has surged 10.18 percent in the same period. Marathon Petroleum shares jumped 0.86 percent to $101.30 in pre-market trading.