Weak outlook overshadows 21% revenue growth driven by data centers and AI Intel issued weaker-than-expected guidance for the fourth quarter, with revenue expected to be in the range of $15 billion to $16 billion. (Photo by Suzu Takahashi) PALO ALTO, California -- Shares of U.S. chip giant Intel plunged more than 20% during extended trading Thursday after the company released third-quarter results while cautioning investors the PC market slowdown would continue to weigh on future earnings.