Stock Index Futures Little Changed

September SP500 is trading at 2181.75, up 0.75. September Nasdaq 100 is trading at 4809.50, up 2.50 September Russell 2000 is trading at 1235.50, up 0.80. September Dow Industrial futures are trading at 18376, down 3. Stock index futures are trading choppy and largely rangebound. Market chatter about economic data due out the rest of the week and headline news is making the rounds. The Census Bureau is scheduled to report new home sales data Tuesday at 10:00 a.m. ET.