These market veterans still think America is the best place to put your money — ‘Tech Trumps Tariffs even if Mickey Mouse or a clown were to run the US!’

• President Donald Trump's aggressive tariff campaign is creating doubts about the attractiveness and safety of US assets. But there are still some who believe the US will produce the best returns, despite an epic selloff and signs of a shifting world order. That's due in part to America's dominance in critical technologies.

The idea of "American exceptionalism" in the global economy and financial markets has rapidly lost favor this year as President Donald Trump embarks on...