Subscribers to our monthly Option Advisor service doubled their investments with our DoorDash Inc (NASDAQ:DASH) April 100 call recommendation, made on Jan. 26. At the time, the food delivery name had cleared its $102 initial public offering (IPO) price, following a run up to it in mid-December, and a positive earnings surprise in November. Plus, Uber (UBER) was set to report results before DoorDash, which we noted could provide a potential halo lift that indeed happened, with DASH adding 1.8% on Feb. 7. Fur ...