Amazon's losing streak, Berkshire's new position, the 'boomcession' and more in Morning Squawk

This is CNBC's Morning Squawk newsletter. Subscribe here to receive future editions in your inbox.Happy Wednesday. I've been craving birria since reading about the Mike's Red Tacos new franchising plan.Stock futures are higher this morning. The three major indexes all ended yesterday's session little changed.Here are five key things investors need to know to start the trading day:1. Delivery troublesThe logo and lettering of online retailer Amazon can be seen on the façade of Amazon Germany's headquarters. ...