AUSTIN, Texas--(BUSINESS WIRE)--Fitch Ratings assigns a rating of 'AAA' to the following obligations of the town of Flower Mound, Texas (the town): --$11.86 million certificates of obligation (COs), series 2015A. The COs are expected to price via negotiation the week of July 20, pending market conditions. Proceeds from the COs will be used for streets, signals, and water system improvements. Fitch currently rates the town's $122.3 million in outstanding limited tax obligations, consisting of GO