This article was automatically generated by MarketWatch using technology from Automated Insights.
Shares of Martin Marietta Materials Inc. (MLM) slid 1.66% to $619.01 Wednesday, on what proved to be an all-around grim trading session for the stock market, with the S&amp;P 500 Index  falling 1.16% to 6,721.43 and Dow Jones Industrial Average  falling 0.47% to 47,885.97.
This was the stock's second consecutive day of losses.
Martin Marietta Materials Inc. closed 6.94% below its 52-week high of $665.18, which the company achieved on October 15th.
Despite its losses, the stock outperformed some of its competitors Wednesday, as Vulcan Materials Co. (VMC) fell 2.26% to $285.41.
Trading volume (598,283) eclipsed its 50-day average volume of 386,332.
Data source: Dow Jones Market Data, FactSet. Data compiled December 17, 2025.
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(END) Dow Jones Newswires
12-17-25 1653ET

<p>Martin Marietta Materials Inc. shares fell 1.66% to $619.01, outperforming some competitors despite a general market downturn. The stock is 6.94% below its 52-week high. Trading volume was higher than average. Data compiled on December 17, 2025.</p>

Martin Marietta Materials Inc. Stock Outperforms Competitors Despite Losses On The Day