E.l.f. Beauty's growth story is still going. The cosmetics retailer on Thursday blew past quarterly estimates again, posting a 50% gain in sales. The eyes, lip, face beauty giant's sales soared to $324.5 million in its fiscal first quarter, leading it to raise its full year guidance. That increase follows a staggering 76% jump in the year ago quarter. CEO Tarang Amin told CNBC the company saw growth across its categories. He added that the company's Bronzing Drops quickly became a best seller on the company ...