Biden Orders Ban on U.S. Investments in China’s Sensitive High-Tech Industries

President Biden escalated his confrontation with China on Wednesday by signing an executive order banning American investments in key technology industries that could be used to enhance Beijing’s military capabilities, the latest in a series of moves putting further distance between the world’s two largest economies.

The order will prohibit venture capital and private equity firms from pumping money into Chinese efforts to develop semiconductors and other microelectronics, quantum computers and certain artificial intelligence applications. Administration officials stressed that the move was tailored to guard national security, but China is...