U.S. stocks opened flat, the S&P 500 rose 0.1%, and the Nasdaq rose 0.15%. Broadcom (AVGO.O) opened 1% higher after announcing a collaboration with OpenAI to release an AI chip designed to run models faster and more economically; Micron Technology (MU.O) opened 0.5% higher ahead of its Q3 earnings report; SpaceX (SPCX.O) opened 0.98% lower.