Lululemon Athletica surged 10.4% in early Friday trading after the company announced that CEO Calvin McDonald will step down on January 31, and Chief Financial Officer Megan Frank and Chief Commercial Officer Andrea Maestrini were appointed as temporary co-CEOs; the company's stock price rose after earnings exceeded expectations but guidance for the holiday season was weak.

Lululemon Athletica surged 10.4% in early Friday trading after the company announced that CEO Calvin McDonald will step down on January 31, and Chief Financial Officer Megan Frank and Chief Commercial Officer Andrea Maestrini were appointed as temporary co-CEOs; the company's stock price rose after earnings exceeded expectations but guidance for the holiday season was weak.