Core Insights - Investors are evaluating Cemex (CX) and Martin Marietta (MLM) for potential undervalued stock opportunities [1] - Both companies currently hold a Zacks Rank of 2 (Buy), indicating positive earnings estimate revisions and an improving earnings outlook [3] Valuation Metrics - CX has a forward P/E ratio of 11.03, significantly lower than MLM's forward P/E of 32.61 [5] - CX's PEG ratio is 1.16, while MLM's PEG ratio stands at 5.59, suggesting CX is more reasonably valued considering its expected EPS growth [5] - CX's P/B ratio is 1.06, compared to MLM's P/B ratio of 3.99, further indicating that CX is undervalued relative to its book value [6] Value Grades - Based on various valuation metrics, CX holds a Value grade of B, while MLM has a Value grade of D, suggesting that CX is the superior value option at this time [6]