Sector Leaders on Tuesday showed one big winner, one big loser and seven stocks in between. "Affordable luxury" fashion house Michael Kors (KORS) shot up 5, or 9%, to 62 in turbocharged volume. The stock's action has left in its wake a big trading gap. The company reported a profit of 64 cents per share in its December-ending quarter. That's 129% more than a year ago and 23 cents more than analysts expected. Sales climbed 70%, also beating