Mortgage rates inched higher Tuesday as stocks rose for a second consecutive day. This morning, the National Association of Realtors reported Existing Home Sales increased by 3.4% in April to an annualized rate of 4.62 million units, the highest level in 2 years. The median home price was $177,400, representing a solid 10.4% increase from April 2011. Together, the data provides more evidence of stabilization in the housing market. Results from today’s 2-year Treasury auction will be released at 1:00 PM.