Memberships in Costco Wholesale’s loyalty program jumped during the company’s fiscal fourth quarter. At the end of the quarter, executive memberships reached 16.1 million, which represents an increase of about 400,000 members since the end of the third quarter (roughly, a 25,000-per-week increase in the quarter.)
In terms of members at the end of the fiscal year, Costco had 34 million gold star members, up from the most recent quarter of 33.2 million. Including additional cards, total card holders totaled 81.3 million, up from....