Donald Trump can bully auto makers all he wants, but he can’t repeal the laws of economics By: MarketWatch January 03, 2017 at 18:29 PM EST Companies flock to Mexico because it’s a great place to do business, not because of NAFTA, writes Rex Nutting. Read More >> Related Stocks: Fiat Chrysler Automobiles N.V. Ford Motor General Motors Toyota Motor Corp Ltd Ord ADR United Technologies