U.S. stocks were higher, with the Dow Jones index gaining around 200 points on Wednesday.Shares of Caterpillar Inc (NYSE:CAT) rose sharply during Wednesday's session after the company reported better-than-expected third-quarter financial results.Sales and revenues climbed 10% year over year to $17.64 billion, beating analyst estimates of$16.77 billion, compared with $16.1 billion in the same quarter last year.Adjusted earnings per share came in at$4.95, ahead of the $4.52 estimate, though slightly below$ ...