Tariffs aren't likely to weigh on growth at these companies.Earlier this year, all three major indexes -- the S&P 500, the Nasdaq, and the Dow Jones Industrial Average -- slid as President Donald Trump announced his plan to impose tariffs on imports. Investors worried this would result in higher costs for U.S. companies as they import their goods made abroad -- and this might sink earnings.Since then, indexes have rebounded, and the S&P 500 even reached new all-time highs recently as Trump negotiated with c ...