Major stock indexes were mixed Tuesday afternoon, as the Dow Jones Industrial Average struggled and the other major indexes wavered  amid more tariff tremors. President Donald Trump announced new levies on copper imports and threatened to impose a 200% duty on pharmaceuticals,

A couple deals with major trading partners could mean the effective tariff rate rises from 16% to 18% versus 21% scenario, according to Pringle.Nadia Lovell, senior U.S. equity strategist for UBS Global Wealth Management,