Sentence 1: The broad Standard & Poor's 500 Index .SPX gained 19.72 points, or 1.98 percent, to 1,015.69.
Sentence 2: The Dow Jones industrial average .DJI jumped 2.09 percent, while the Standard & Poor's 500 Index .SPX leapt 2.23 percent.
Similarity (0-5): 3.000