Tractor Supply said sales totaled $$1.24 billion in the fourth quarter, up 20.1% from last year. Same-store sales increased 7.6%. The company noted that is fiscal calendar included an extra week this year, accounting for 6.6% of its sales boost in the quarter and an estimated 9 cents a share in earnings. The stock was last quoted at $75.60, up 3.7%, on volume of nearly 100,000, according to Nasdaq.com. "These results are reflective of the structural improvements we have made to our business in recent years, including a focus on C.U.E.