CHICAGO--(BUSINESS WIRE)--Fitch Ratings has published the latest issue of its Capital Structure and Covenant Analysis for the 50 Largest U.S. Leveraged Issuers. In conducting its analysis, Fitch observed the following trends: Robust Valuation Multiples: The average enterprise value/EBITDA market multiple for the Fitch 50 increased from 11x to 14.7x, far exceeding the average market valuation multiple across all sectors, which decreased from 10.2x to 9.9x. Credit Metrics Stabilize: Compared with