shares of martin marietta materials inc mlm inched 009 higher to 44278 monday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 045 to 432882 and dow jones industrial average djia falling 004 to 3371471 this was the stocks fifth consecutive day of gains martin marietta materials inc closed 048 short of its 52week high 44326 which the company reached on june 23rd trading volume 287395 remained 70619 below its 50day average volume of 358014 editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use