It was supposed to be a victory party. Carmakers from across the globe had planned to celebrate their head-spinning boom in Mexico at the Automotive Logistics conference held in Mexico City this week.
Then Donald Trump won the U.S. presidential election.
In the span of weeks, Trump has issued threats and hints at trade policies that could jeopardize two decades of growth for Mexico’s auto manufacturing sector.
It started with Trump’s tweets that attacked Ford and General Motors for building and exporting small cars from Mexico to the U.S. Once in office, Trump issued an executive order Jan. 25 calling for a wall to be built at the southern border,...