Intel CEO Lip-Bu Tan defended his integrity and vowed to continue leading the semiconductor company through a "critical moment."

President Trump called on Intel Chief Executive Lip-Bu Tan to resign because of his past ties to China, in the chip maker's latest challenge. Get caught up on WSJ's coverage: **Tan was already at odds

President Donald Trump urged the chief executive officer of Intel Corp. to resign over what he called conflicts of interest, injecting fresh turmoil at a company already struggling to stem losses and eke out relevance in the artificial intelligence age.