The bemused mood among European chief executives came as U.S. President Donald Trump ushered in a new era of tariff complexity.

President Donald Trump's higher tariff rates of 10% to 50% on dozens of trading partners kicked in on Aug. 7.

CNBC gets the view from the C-Suite, as corporates digest what tariffs mean for them.

The bemused mood among European chief executives came as U.S. President Donald Trump ushered in a new era of tariff complexity.