Michael Kors (KORS) reported earnings above estimates on Tuesday but the holiday season might not be so cheery for luxury wholesalers and retailers as its outlook for the important holiday quarter was below analyst expectations. Saks (SKS) expects Q4 sales at stores open at least a year to be flat in the wake of Hurricane Sandy. Michael Kors said second-quarter earnings more than tripled to 49 cents per share in its first Q2 report since going