Athletic clothing producer and retailer Lululemon Athletica (LULU) has staged several significant swings between the red and green zones of the SIA NASDAQ 100 Index Report over the last year. This week, on the back of a positive earnings report, the shares have started another upswing, popping up out of the red zone into the Yellow Neutral Zone. The shares have climbed 15.8% in the last week, and the stock has moved up 52 positions in the last month to 40th place.