MPLX LP (MPLX) is set to report first-quarter 2024 earnings on Apr 30, before the opening bell.In the last reported quarter, the partnership’s earnings of $1.10 per unit beat the Zacks Consensus Estimate of 95 cents, primarily due to higher contributions from both segments. A decline in total costs and expenses also contributed to the solid quarterly performance.MPLX’s earnings beat the Zacks Consensus Estimate in three of the trailing four quarters and missed the same once, the average surprise being 7.3%. ...