It has been about a month since the last earnings report for Martin Marietta (MLM) . Shares have lost about 4.6% in that time frame, underperforming the S&P 500. Will the recent negative trend continue leading up to its next earnings release, or is Martin Marietta due for a breakout? Before we dive into how investors and analysts have reacted as of late, let's take a quick look at its most recent earnings report in order to get a better handle on the important drivers. Martin Marietta Q1 Earnings Beat Estim ...