This story was originally published on Retail Dive. To receive daily news and insights, subscribe to our free daily Retail Dive newsletter. Dive Brief: Lululemon CEO Calvin McDonald is stepping down at the end of January, the activewear giant said Thursday. The news comes amid a slowdown in North America, Lululemon’s biggest region. The retailer’s board is conducting a “comprehensive search” for a new chief executive, in combination with an executive search firm. McDonald will stay on as an adviser th ...