Mortgage rates inched higher Thursday on stronger than expected economic data. Weekly Jobless Claims fell to 453,000, below the consensus forecast of 460,000. Final second quarter GDP figures were revised higher to +1.7% from +1.6%. The Chicago PMI national manufacturing index rose to 60.4, well above expectations. Freddie Mac reported average weekly 30-year fixed rates of 4.32% with 0.8 points last week, a new record. No other data will be released today.