FILE - In this May 11, 2020, file photo, a man walks in the Tesla plant parking lot in Fremont, Calif. Tesla says it delivered more electric vehicles worldwide in the second quarter than it did in the first. The increase came even though coronavirus restrictions forced it to shut down its only U.S. factory for much of the period. (AP Photo/Ben Margot, File)
Tesla and one of its more established Chinese challengers, NIO, have gained buyers in a potential sign of long-term strength for the industry. AP  

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