he consumer price index excluding volatile food and energy prices rose 2.5% during the 12 months ending in July after a 2.6% gain in June, affirming a Federal Reserve decision late last month to keep borrowing costs steady. he consumer price index excluding volatile food and energy prices rose 2.5% during the 12 months ending in July after a 2.6% gain in June, affirming a Federal Reserve decision late last month to keep borrowing costs steady. he consumer price index excluding volatile food and energy prices rose 2.5% during the 12 months ending in July after a 2.6% gain in June, affirming a Federal Reserve decision late last month to keep borrowing costs steady.