By MICHELLE CHAPMAN
AP Business Writer
Home Depot’s fiscal first-quarter sales improved even as the chain faced a slower start to spring, and it raised its full-year guidance. The home improvement company’s revenue increased about 4% to $38.91 billion. That topped the $36.49 billion that analysts surveyed by Zacks expected. CEO and President Ted Decker said in a statement on Monday that the performance was the highest first quarter sales in company history. Sales at stores open at least a year, a key indicator of a retailer’s health, climbed 2.2%. The figure rose 1.7% in the U.S.