Mortgage rates were little changed Friday, maintaining their lowest levels of the year. Concerns about the economic situation in Europe continue to drive the market. Stocks moved sharply lower in early trading but have since recovered most of their losses. Next week, April Durable Goods Orders will be released on Wednesday and the Chicago Purchasing Managers Index on Friday. There will be large Treasury auctions of 2-, 5-, and 7-year notes beginning Tuesday. No other data will be released today.