Mortgage rates were little changed Wednesday, maintaining their lowest levels of the year. In economic news, the Trade Deficit fell to $43.7 billion, a bit below forecast. The Institute for Supply Management services index rose to 55.3, matching expectations. Readings above 50.0 indicate expansion in the services sector of the economy. The Fed’s quarterly Beige Book, a survey of business activity by the 12 regional Federal Reserve Banks, will be released at 2:00 PM.