sentence1: Shortly after the opening bell , the Dow Jones Industrial Average was up 11.13 to 9,228.48 , while the S & P 500 index gained 1.74 to 982.33 .
sentence2: After a weak start , the Dow Jones Industrial Average ended the day up 26.26 to 9,217.35 , while the S & P 500 index rose 3 to 980.59 .