CHICAGO--(BUSINESS WIRE)--Fitch Ratings views the 2015 Dodd-Frank Act Stress Test (DFAST) process applied to mid-tier regional banks ($10 billion-$50 billion in assets) as a positive development. While the DFAST for mid-tiers is not as rigorous as the Comprehensive Capital Analysis and Review (CCAR) for banks that have over $50 billion in assets, Fitch considers the DFAST process, in and of itself, to be more important than the actual results, as it should lead to a better understanding of capi