CHICAGO--(BUSINESS WIRE)--Fitch Ratings has affirmed Business Loan Express SBA loan-backed adjustable-rate notes, series 2001-2 (2001-2) and series 2002-1 (2002-1) with Rating Outlook revised to Stable from Negative KEY RATING DRIVERS BLX 2001-2's affirmation reflects the recent stable performance of the transaction as credit enhancement (CE) has built for class A and M notes. However, the transaction remains under-collateralized and late-stage delinquencies remain elevated. For these reasons,