(REUTERS) U.S. President-elect Donald Trump on Tuesday blasted U.S. carmaker General Motors Co and threatened to impose a "big border tax" for making some of its Chevrolet Cruze cars in Mexico.
"General Motors is sending Mexican made model of Chevy Cruze to U.S. car dealers-tax free across border. Make in U.S.A. or pay big border tax!" Trump said in a post on Twitter.
Shares of GM (GM.N) fell about 1 percent in premarket trading after Trump's tweet.
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