US stocks under pressure, Saudi Arabia's Crown Prince bin Salman visits the White House

Welcome to Yahoo Finance's flagship show, Morning Brief. I'm Julie Heyman. Let's get to the three things you need to know today.First up, US stock futures extending losses for a fourth day. Growing concerns over stock valuations and interest rate uncertainty continue to weigh on investor sentiment. Equities are now also facing technical pressure.The S&P 500 and NASDAQ both closed below their 50-day moving averages. That could be a sign of more weakness ahead. Plus, the slide in Bitcoin continues.The digital ...