shares of dominos pizza inc dpz shed 180 to 32644 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 041 to 409195 and dow jones industrial average djia falling 011 to 3364650 dominos pizza inc closed 10000 below its 52week high 42644 which the company reached on july 21st the stock underperformed when compared to some of its competitors wednesday as mcdonalds corp mcd rose 029 to 28530 starbucks corp sbux fell 013