Caterpillar's first-quarter profit jumped 29 percent and it boosted its outlook for the year Wednesday with U.S. construction firms replacing old gear and global demand booming for mining equipment.

Caterpillar

The company generated $1.59 billion net income, or $2.37 per share, during the quarter. That's up from last year's $1.23 billion net income, or $1.84 per share.