Sentence 1: The broad Standard & Poor's 500 Index <.SPX> advanced 11 points, or 1.25 percent, to 931.
Sentence 2: The Standard & Poor's 500 Index gained 10.89, or 1.2 percent, to 931.12 as of 12:01 p.m. in New York.
Similarity score (0-5): 3.0