Amazon's Alexa could be a $19 billion business by 2021, RBC says (AMZN)

Amazon's Alexa could generate between $18 billion and $19 billion in total sales by 2021 – around 5% of Amazon's total revenue – according to a new report from RBC Capital Markets analyst Mark Mahaney. RBC's 2020 revenue estimate is more than 45% higher than its estimate from last year. Watch Amazon trade live. One of Wall Street's biggest Amazon bulls just got more optimistic on Alexa's future. The voice assistant in Amazon's smart speakers could generate around 5% of the e-commerce...