Yo-yos are fun for kids. But yo-yo stock markets aren't so fun for grown-up investors. And unfortunately, there's been a lot more down "yo" recently than up "yo."Many investors might feel as if they're getting whiplash from the market's frantic gyrations, fueled by the Trump administration's back-and-forth announcements about tariffs. However, I think three growth stocks are no-brainer picks to buy on the bounce.1. AmazonOn one hand, it's understandable that Amazon's (AMZN -1.62%) share price fell as much a ...