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

President Trump called on the chief executive of Intel to resign, a day after Sen. Tom Cotton (R., Ark.) said he had raised national-security concerns to the chip maker's board. “The CEO of INTEL is highly CONFLICTED and must resign,