Lululemon's stock is down nearly 50% in just the past year.Lululemon Athletica (LULU +3.48%) recently reported earnings, and the company also announced the departure of its CEO, Calvin McDonald. There's been some controversy around whether the business is going in the right direction, with Lululemon's founder often criticizing McDonald's decisions.Investors appear optimistic that a change is what the business needs, as the stock has been rallying since the news came out. Could this make Lululemon a better s ...