Mortgage rates inched lower Tuesday on mixed economic data. April Consumer Confidence rose to 65.4 from 63.4 in spite of higher gas prices, beating expectations. The February S&P/Case-Shiller 20-city home price index declined by 0.2% from January and was 3.3% lower than one year ago. Results from today’s $35 billion 2-year Treasury auction will be released at 1:00 PM.