Rates were little changed Wednesday following an upward revision to GDP. The economy grew at an annual rate of 4.2% in the second quarter, beating expectations. Separately, the National Association of Realtors reported July Pending Home Sales fell 0.7%, below the consensus forecast for a flat reading, and were 2.3% lower than one year ago. July marked the seventh straight month of year-over-year declines. Results from today’s 7-year Treasury auction will be released at 1:00 PM.