In our weekly Grab & Go segment, Kristen Scholer and Tim Stenovec discuss the biggest tech stories to watch this week. Google is investing $550 million in Chinese e-commerce giant JD.com, the Supreme Court is expected to weigh in on an online sales tax case, Elon Musk steps up the pressure on Tesla Model 3 production, Instagram rolls out long-form video, and Fox's board will meet Wednesday to weigh Comcast's all-cash offer.