How similar are the following two sentences?

The broad Standard & Poor's 500 Index .SPX gained 19.72 points, or 1.98 percent, to 1,015.69.
The Dow Jones industrial average .DJI jumped 2.09 percent, while the Standard & Poor's 500 Index .SPX leapt 2.23 percent.

Give the answer on a scale from 0 - 5, where 0 is "not similar at all" and 5 is "means the same thing".
3