Amazon CEO Andy Jassy weighs in on AI, James Bond, and why Alexa+ is for the children in an extended interview. Plus, ahead of earnings, we dig into why Wells Fargo says Nvidia is still one of the most attractive secular growth stories in semis. 

Leverage, inverse and single-stock funds have exploded in popularity. But, could a turn in the market leave some investors imploding? What to know before you buy into this trend.