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

Bu Tan was already at odds with some board members before President Trump jumped into the fray.Tan and some Intel directors have disagreed in his first months in the role about questions as central as whether the company should stay in the manufacturing business or exit it entirely,

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