MPLX LP (MPLX) is set to report fourth-quarter 2023 earnings on Jan 30, before the opening bell.Let’s delve into the factors that are anticipated to have influenced this pipeline operator’s performance in the to-be-reported quarter. However, it is worth taking a look at MPLX’s previous quarter’s performance first.Highlights of Q3 Earnings & Surprise HistoryIn the last reported quarter, the partnership’s earnings of 89 cents per unit missed the Zacks Consensus Estimate of 91 cents primarily due to increased ...