At the diplomatic level most definitely and that could deliver a market shock if it goes badly. Via NYT:
As President Trump was arranging a trade truce with President Xi Jinping of China in Buenos Aires over dinner on Saturday night, his administration was coordinating the arrest of a top Chinese technology executive who was flying through Canada.
White House officials, including John R. Bolton, the national security adviser who attended the dinner with Mr. Trump and Mr. Xi, knew of the impending arrest. So did a leading Senate Republican and Democrat. But it is unclear whether Mr. Trump knew of the arrest. And Mr. Xi was apparently never told at the dinner.