Shares of Lumber Liquidators climbed more than 9% on Friday afternoon. In a quarterly filing with the SEC on Friday, hedge fund Tiger Management disclosed that it took a new position in the hardwood flooring retailer of 238,000 shares. The stock is down 79% for the year, following an episode of "60 Minutes" in March that showed that the company's laminate flooring sourced in China contained excessive levels of formaldehyde.