U.S. Dollar Index Lower

The September U.S. Dollar Index is trading at 96.58, down 0.76. The dollar index is trading choppy and rangebound. Market talk about the Federal Reserve meeting on Wednesday and financial headlines has kept both buyers and sellers active. The Case-Shiller 20-city Index for May is scheduled for release Tuesday at 9:00 a.m. ET. Consumer Confidence for July is due at 10 a.m. ET.