Tractor Supply Company (NASDAQ:TSCO) reported better-than-expected earnings for its first quarter on Thursday. The company reported first-quarter earnings per share of $1.83, beating the analyst consensus of $1.71. Quarterly revenues of $3.395 billion were in line with the estimates, rising 2.9% year over year, according to data from Benzinga Pro. Comparable store sales, which increased 1.1%, slowed compared to the prior year  (2.1% growth for the previous year's first quarter). The gross margin increased 50 basis points to 36.0% from 35.5% in the first quarter of the prior year. “For the first quarter, Tractor Supply’s results were in line with our expectations with positive ...