Martin Marietta Materials, Inc. (MLM) reported mixed results for the first quarter of 2024. Earnings surpassed the Zacks Consensus Estimate but revenues missed the same. Both the top and bottom lines decreased on a year-over-year basis.Following the results, shares of this producer and supplier of construction aggregates and other heavy building materials lost 0.7% in the pre-market trading session on Apr 30.Going forward, MLM anticipates record federal-level and state-level infrastructure investments, larg ...