NEW YORK--(BUSINESS WIRE)--With many business development companies (BDCs) trading below their net asset values (NAVs), there is a greater potential for BDC share buybacks over the near term, says Fitch Ratings. Fitch views share repurchases as generally shareholder friendly and a contributor to higher leverage ratios, to the detriment of creditors. Share repurchases can pressure a BDC's ratings if the impact from higher leverage is beyond levels commensurate with portfolio risk or previously a