Sentence 1: The Dow Jones industrial average .DJI was off 58.69 points, or 0.64 percent, at 9,137.86.
Sentence 2: The blue-chip Dow Jones industrial average .DJI fell 86.56 points, or 0.94 percent, to 9,109.99, after giving up more than 1 percent earlier.
Similarity: 0.5