LOS ANGELES (Reuters) -Streaming pioneer Netflix showed resilience by gaining more quarterly subscribers than in the past three years despite strikes by Hollywood's writers and actors, sending its shares up 13.5% in premarket trading on Thursday. Netflix capitalized on its heft in global production, as well as the economic hardships of its media rivals, to amass 247 million subscribers in the third quarter, a gain of nearly 9 million over the last three months. "The management deserves an Emmy for managing investor expectations," Bernstein analysts wrote in a note, adding that paid-sharing has opened up a bigger-than-expected market of potential subscribers for Netflix.