Biden tightens tech controls on China as clock ticks down

The Biden administration Monday is set to announce a long-anticipated round of restrictions on exports of semiconductor chips and chipmaking equipment to China in one of its last salvos aimed at slowing Beijing’s pursuit of self-reliance in a key national-security realm: advanced chip technology. The package, delayed for months as the administration sought to bring foreign partners aboard and address industry concerns, is the latest in a series of controls that began under the first Trump administration. Commerce Secretary Gina Raimondo called the new actions “groundbreaking and sweeping” and said...