shares of penn entertainment inc penn slid 537 to 2678 monday on what proved to be an allaround mixed trading session for the stock market with the nasdaq composite index comp rising 045 to 1118884 and the dow jones industrial average djia falling 028 to 3181914 this was the stocks third consecutive day of losses penn entertainment inc closed 1863 short of its 52week high 4541 which the company reached on march 18th the stock underperformed when compared to some of its competitors monday as