Want to keep up with the latest earnings updates from the States? Well join Chris Hill and the Motley Fool Radio Show team here on Share Radio, direct from Washington DC, for news, views and analysis of the US stocks that matter. In this week's show: Retail sales fall more than 16% in April; Uber and GrubHub explore a possible merger; Marriott and Under Armour tumble on disappointing earnings; Diagnostics company Quidel gets a big boost from the FDA; And DraftKings hits a new high. Motley Fool analysts Ron Gross and Jason Moser discuss those stories and weigh in on the best way to build a portfolio. Our analysts share a couple of stocks on their radar: Intellia Therapeutics and Axon Enterprise. Plus, Camping World CEO Marcus Lemonis talks about the business of RVs and shares some insights from his CNBC show, The Profit.