Suspicion is rising that Trump and his aides are manipulating stocks via tariff announcements. Is that even possible?

White House trade adviser Peter Navarro scolded a reporter for questioning President Trump’s shifting approach to tariffs imposed against Canada and Mexico. Navarro, 75, gaggled with reporters Tuesday to defend Trump’s reversal on a threat to ratchet tariffs on Canadian steel and aluminum up to 50%,

White House trade adviser Peter Navarro scolded a reporter for questioning President Trump's shifting approach to tactics in the wake of partial rollbacks on the duties imposed against Canada and Mexico.