Caterpillar is reporting a 426-percent increase in profit for the first quarter of this year compared to the same time last year. The company says it earned nearly one-and-one-quarter of a billion dollars this quarter or $1.84 per share. Sales and revenues were also up 57-percent to nearly 13-billion dollars. The company raised its outlook for the year. Sales and revenues are expected to be in the range of 52 to 54 billion dollars. The previous outlook range was not more than 50-billion dollars. The company now expects to earn between $6.25 to $6.75 per share.  It was previously thought profit would be near $6.00 per share.