shares of nvr inc nvr slumped 098 to 505247 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 013 to 451407 and dow jones industrial average djia falling 020 to 3503107 nvr inc closed 27961 below its 52week high 533208 which the company achieved on august 6th despite its losses the stock outperformed some of its competitors wednesday as dr horton inc dhi fell 255 to 9140 lennar corp cl a len fell 325 to 10098