U.S. stock indexes

Ford gained 2 percent and United Parcel Service climbed 5 percent Tuesday after turning in results that were better than analysts were expecting.

Asian markets closed with modest losses a day after the Shanghai stock index plunged more than 8 percent.

The Dow Jones industrial average rose 189 points, or 1.1 percent, to 17,630.

With corporate earnings in full swing, several big companies were making sharp moves Friday after reporting their results.

Most notable was Amazon, which jumped 17 percent after surprising investors with a profit.

Elsewhere, Capital One sank 10 percent and Biogen plunged 17 percent after their results fell short of what analysts were expecting.