Marathon Petroleum (MPC) closed the latest trading day at $177.02, indicating a -0.71% change from the previous session's end. This change lagged the S&P 500's 1.08% gain on the day. Meanwhile, the Dow gained 0.75%, and the Nasdaq, a tech-heavy index, added 2.64%.The refiner's shares have seen an increase of 2.38% over the last month, surpassing the Oils-Energy sector's loss of 10.32% and the S&P 500's loss of 0.44%.Market participants will be closely following the financial results of Marathon Petroleum in ...