Want to keep up with the latest earnings updates from the States? Join Chris Hill and the Motley Fool Radio Show team here on Share Radio for news, views and analysis of the US stocks which matter. On today's programme: Prime Day is Amazon’s biggest ever. Target raises guidance. Citigroup, Wells Fargo and JP Morgan Chase report strong profits. HBO and Netflix rake in Emmy nominations, while Visa offers $10,000 to small businesses willing to quit cash.