Rates were little changed Tuesday as stronger than expected economic data had little impact on mortgage-backed securities. The April Consumer Price Index (CPI) rose 0.4%, above the consensus forecast of 0.3%, and was 1.1% higher than one year ago. Core CPI, which excludes volatile food and energy components, increased 0.2%, in line with expectations, and was 2.1% higher year-over-year. April Housing Starts rose 7% to an annual rate of 1,172,000. Building Permits came in a bit lower than expected. Industrial Production jumped 7%, well above the consensus of 2%, representing the largest monthly increase since November 2014. No other key data will be released today.