A top Republican senator asked the chairman of Intel Corp.’s board to answer questions about Chief Executive Officer Lip-Bu Tan’s ties to China, including investments in the country’s

Intel so far is standing by Tan. The company issued a statement Thursday that said the company, the board and Tan are all “deeply committed to advancing U.S. national and economic security interests and making significant investments aligned with the President’s America First agenda.”

Intel’s stock is falling as Trump’s comments open the door for potentially more leadership drama at the chip giant.