Kohl's ( KSS) said earnings are trending toward the low end of its previous guidance despite a solid same-store sales result in December. The discount chain previously estimated earnings of 93 cents to 97 cents for the quarter ending this month. Analysts were expecting earnings of 95 cents a share in the period, according to Thomson First Call. Kohl's said December same-store sales rose 3.1% from a year ago, while overall sales rose 16.2% to $2.14 billion in the month. Analysts had been forecasting comps growth of about 2% for the month. The stock, which was highlighted as a possible retail winner for 2005 on this site, was recently down 15 cents to $47.93 on Instinet.