U.S. stock futures were mixed ahead of the first trading session of the fourth quarter, following a volatile September in which the S&P 500 fell 0.45%, the Dow dropped 4.29% and the Nasdaq gained 1.86%. Micron shares edged higher after the chipmaker issued a quarterly revenue forecast above expectations and said customer commitments under long-term supply agreements had risen to $32 billion from $22 billion in June. Nike was set to report results after the closing bell as investors assess CEO Elliott Hill’s turnaround plan, while shares have fallen more than 44% this year. September U.S. manufacturing data, including the Institute for Supply Management’s purchasing managers’ index (business activity survey), was also due. Separately, the Financial Times reported that Tencent agreed to a five-year, $7 billion Oracle lease for about 100,000 advanced artificial intelligence chips across data centers in southeast Asia.