The White House cracked down on sales to China as part of measures responding to Beijing’s limits on shipments of essential rare earths.

Shares of Synopsys and Cadence Design Systems jumped on Thursday after the US lifted export curbs on chip design software to China, easing uncertainty around access to the crucial market. The restrictions,

The United States has lifted restrictions on exports to China for chip design software developers and ethane producers, a further sign of de-escalating U.S.-Sino trade tensions including concessions from Beijing over rare earths.