MPLX LP (MPLX) closed at $41.17 in the latest trading session, marking a +0.05% move from the prior day. The stock's change was less than the S&P 500's daily gain of 0.85%. Elsewhere, the Dow lost 0.09%, while the tech-heavy Nasdaq added 1.53%. The company's shares have seen an increase of 1.73% over the last month, surpassing the Oils-Energy sector's loss of 4.55% and falling behind the S&P 500's gain of 3.11%. The investment community will be paying close attention to the earnings performance of MPLX LP i ...