Roku's revenue forecast for Q1 was just shy of Wall Street targets but the stock is getting destroye

Roku reported fourth-quarter 2017 earnings on Wednesday. The company beat Q4 expectations, but gave a weaker than expected revenue forecast for Q1. Shares of Roku plunged more than 20% in after hours trading. Roku, the maker of connected TV boxes and software for smart TVs, reported healthy growth in subscribers and streaming hours during the last three months 2017 but gave a lackluster financial forecast for the current quarter that sent its stock tumbling in after hours trading on...