Mortgage rates held steady Tuesday following the release of mixed economic data. January Durable Goods Orders tumbled 4.0%, below the consensus forecast for a decline of 1.0%, and the largest decrease since January 2009. Consumer Confidence rose to 70.8, beating expectations. The S&P/Case-Shiller 20-city home price index was 4.0% lower than one year ago. No other key data will be released today.