Tesla Inc.’s Elon Musk poked fun at short sellers as his electric-car maker’s stock surged to a record, vaulting its market value past century-old rival Ford Motor Co.

“Stormy weather in Shortville…” the chief executive officer tweeted Monday, as Tesla shares climbed as much as 5.8 percent. The maker of Model S sedans and Model X crossovers saw its capitalization surge to about $48.2 billion, $3.1 billion more than Ford, the No. 2 automaker in the U.S. after General Motors Co. 

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