shares of martin marietta materials inc mlm slipped 008 to 30231 wednesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 013 to 375989 and dow jones industrial average djia falling 015 to 3048313 this was the stocks second consecutive day of losses martin marietta materials inc closed 14415 short of its 52week high 44646 which the company achieved on january 4th despite its losses the stock outperformed some of its competitors wednesday as crh plc adr crh fell 138 to 3434 vulcan materials co vmc fell 058 to 14383 and occidental petroleum corp oxy fell 363 to 5577true trading volume 509217 eclipsed its 50day average volume of 479942 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