It was a sell-off day in the markets, brought by investor disappointment from Meta Platforms (META) and Microsoft (MSFT) earnings. Apple (AAPL) also didn't meet all expectations when it ticked down following its after hours report. Amazon (AMZN) muscled an earnings win thanks to revenue and AWS growth. Uber Technologies (UBER) swerved off its uphill track due to disappointment in gross bookings. Diane King Hall breaks down the big earnings day.