Roku Inc (NASDAQ:ROKU) stock is surging today, last seen up 5.9% at $87.83, after the streaming name's better-than-expected fourth-quarter results and upbeat annual revenue forecast. The company also signaled plans to begin bundles of premium streaming subscriptions. Rosenblatt Securities upgraded the stock to "buy" from "neutral" after the event, throwing in a price-target hike to $118 from $106. Several other analysts lifted their price targets as well, including Wedbush to $140 from $130. On track for it ...