1. U.S. stock futures showed slight gains; S&P 500 and Nasdaq up 0.2%. 2. The Federal Reserve likely to cut interest rates by 25 basis points. 3. Focus on Fed Chair Powell's comments regarding future rate guidance. 4. Global markets mixed; Stoxx Europe 600 up 0.2%, while Hang Seng down 1.3%. 5. U.S. Treasury yields remain mostly unchanged ahead of key economic data.