U.S. AI-related stocks were mixed in pre-market trading. SpaceX (SPCX.O) fell more than 5%, Google (GOOG.O) and Tesla (TSLA.O) fell more than 1.5%, Intel (INTC.O) rose nearly 4%, Micron Technology (MU.O) rose 3.6%, and TSMC (TSM.N) rose more than 2%.