 Shares of Mohawk Industries Inc. MHK, 3.84 rallied more than 14 in the extended session Thursday after the flooring products maker reported earnings and sales above Wall Street expectations, thanks to higher prices and unabated demand. Mohawk said it earned 245 million, or 3.78 a share, in the quarter, compared with 237 million, or 3.36 a share, in the year-ago period. 