NEW YORK--(BUSINESS WIRE)--Fitch Ratings has assigned an 'AA' rating to the following Wilmington, NC limited obligation bonds (LOBs): --$15,025,000 LOBs, series 2015A; --$4,615,000 taxable LOBs, series 2015B. The bonds will be sold on a negotiated basis on June 10. Proceeds will fund two new fire stations, various street improvements, and improvements to the city's river walk and riverfront, and to refund an installment payment obligation of approximately $2.1 million. In addition, Fitch affirm