The U.S. has eased restrictions on exports of semiconductor design software to China, according to three companies affected by the curbs. That’s giving a boost to some stocks in the sector.Shares of Synopsys and Cadence were up 3.

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

Cadence, Synopsys, and Siemens confirmed that US authorities have lifted export restrictions on their EDA tools.