farfetch ltd ftch stock jumped more than 30 in the extended session thursday after the luxury fashion company reported a fourthquarter loss that was narrower than wall street expected and sales that came in below estimates farfetch said it lost an adjusted 3 cents a share on sales that rose 23 to 666 million in the quarter factset consensus called for a loss of 25 cents a share on sales of 673 million the company guided for fullyear gross merchandise volume growth between 28 and 32 for its digital platform and between 20 and 25 for its brand platform farfetch said it expects adjusted ebitda margin between 1 and 2 for the year the stock ended the regular trading day up 52