Stock Index Futures Little Changed in Pre-Market

September SP500 is trading at 2161.25, down 1.00. September Nasdaq 100 is trading at 4655.50,up 1.75. September Russell 2000 is trading at 1207.30, up 0.20. September Dow Industrial futures are trading at 18421, up 1. Stock index futures are trading steady early Tuesday morning. The Case-Shiller home price index is due out at 9:00 a.m. ET. The Census Bureau's monthly report on new home sales and the Conference Board's (CB) reading on July consumer confidence are due out at 10:00 a.m. ET.