Amazon Teams Up With Uber Eats, Sending DoorDash Stock Tumbling

Amazon (AMZN) is now offering zero-fee food delivery from Uber Technologies (UBER) as a benefit for Prime members. DoorDash (DASH) stock tumbled on the news while Uber and Amazon traded lower on a down day for tech stocks overall. Amazon said Thursday that Prime subscribers in the U.S. can have their Uber delivery fee waived on orders of $25 or…