Siemens, Synopsys and Cadence said the U.S. has lifted export controls restricting sales and business in China.

By Arsheeya Bajwa and Medha Singh (Reuters) -Shares of Synopsys and Cadence Design Systems jumped on Thursday after the U.S. lifted export curbs on chip design software to China, easing uncertainty around access to the crucial market.

The Trump administration has rescinded some restrictions on the export of chip design software to China, just weeks after putting the curbs in place. Software firms Synopsys and Cadence and