Lululemon Athletica raised its guidance for the fiscal fourth quarter of the year. The company now looks to report its revenue at the top end of its previously announced range of $475 to $480 million. It also enhanced its EPS estimates to 74 cents per share, up from 71 to 73 cents it had projected earlier. The stock, however, tumbled down on the news. Lululemon Athletica currently trades at Price Earnings multiple of more than 43, which makes it a rather expensive stock. Since the stock seems to be fully priced, the upside potential is capped.