Shares of Caterpillar Inc. surged 4.2% in premarket trade Tuesday, after the maker of construction and mining equipment reported first-quarter profit and sales that were well above expectations, and raised the full-year outlook. Net income rose to $1.67 billion, or $2.74 a share, from $192 million, or 32 cents a share, in the same period a year ago. Excluding non-recurring items, adjusted earnings per share came to $2.82, above the FactSet consensus of $2.12. Revenue rose 31% to $12.86 billion from $9.82 billion, beating the FactSet consensus of $11.98 billion. Construction industries sales rose 38% to $5.68 billion, topping the FactSet consensus of $5.22 billion, while energy and transportation sales growth of 26% to $5.22 billion beat expectation of $3.88 billion. The company raised its 2018 adjusted EPS outlook to $10.25 to $11.25 from $8.25 to $9.25. The stock had lost 2.3% year to date through Monday, while the Dow Jones Industrial Average had slipped 1.1%.