Sentence 1: While the day's trading was lackluster, the Standard & Poor's 500 index was preparing to close out its best three-month period since the fourth quarter of 1998.
Sentence 2: The Standard & Poor's 500 stock index ended the quarter up 120 points, a gain of 14 percent, the best performance for that broad market benchmark since 1998.
Similarity score (0-5): 3.75