NEW YORK--(BUSINESS WIRE)--Fitch Ratings has affirmed the following Yorkville, IL (the city) unlimited tax general obligation (ULTGO) bonds and debt certificates: --$7.080 million ULTGO bonds at 'A+'; --$4.165 million debt certificates at 'A'. The Rating Outlook is Stable. SECURITY The ULTGO bonds are payable from ad valorem taxes levied against all taxable property without limitation as to rate or amount. The debt certificates are payable from any legally available funds, not subject to annual