U.S. stocks close lower after a weak Treasury auction pushes up yields. Trump picks interim Fed governor. Investors eye earnings and tariffs.

US President Donald Trump has announced new tariffs of 100% on imported semiconductors unless firms make "substantial ...

Tech giants like Apple have responded to Trump’s 100% tariff on imported semiconductors with fresh investments in US ...

South Korea confirms Samsung and SK hynix are exempt from President Trump's 100% tariffs on semiconductors, TSMC also exempt ...