SAN FRANCISCO--(BUSINESS WIRE)--Fitch Ratings assigns an 'AA-' rating to the following CIVICVenture (Anchorage), AK revenue bonds: --$90.75 million revenue refunding bonds, series 2015 (Anchorage Convention Center). Proceeds will be used to current refund CIVICVentures' outstanding hotel tax revenue bonds, series 2006 for debt service savings. The bonds are expected to price on or about August 12. In addition, Fitch upgrades $103.2 million in outstanding revenue bonds, series 2006 to 'AA-' from