said December same-store sales rose 1%, good enough to beat Wall Street's estimates, while overall sales rose 6% from last year's total.
According to data from
First Call/Thomson Financial
, analysts expected Costco's comparable sales to increase 0.6%. Net sales in December rose to $4 billion from $3.77 billion in December 1999. Costco, which is based in Issaquah, Wash., noted that this year's December period contained 34 days, one more than in the same month a year ago.
Shares of the warehouse-operating bulk retailer gained $1.44, or 3.4%, to $44.13 in recent