Dow tumbles 622 points as major tech earnings disappoint investors

US stock indexes slid on Friday after quarterly reports from mega-cap tech players disappointed investors.
Amazon's first-quarter profit landed below Wall Street estimates, while Apple's decision to withhold guidance for the first time in a decade dragged on trader sentiments.
Oil extended its rebound to a third day, with WTI crude contracts settling just below $20 per barrel.
Watch major US indexes update live here.
Major US equity indexes dipped on Friday as quarterly reports from mega-cap tec