It's premature to declare any winners in the electric vehicle competition, Warren Buffett said on Saturday. There's just too much uncertainty in the sector.
"You will see a change in the vehicles, but you won't see anyone that owns the market because they changed the vehicles," Buffett said at Berkshire Hathaway's (BRK-A, BRK-B) annual meeting.
In recent years, Tesla (TSLA)…