By Lisa Richwine and Dawn Chmielewski LOS ANGELES (Reuters) -Netflix Inc reversed customer losses and provided a slightly more bullish outlook than Wall Street expected, projecting a new ad-supported streaming option would help attract 4.5 million subscribers by year’s end. Shares of Netflix jumped 10% in after-hours trading on Tuesday to $265.00. The company’s stock, an investor favorite during its years of rapid growth, had fallen nearly 60% this year before the earnings report. From July through September, Netflix attracted 2.4 million new subscribers worldwide, more than double the 1.07 mi…