S&P Global Ratings raised its long-term rating on Broken Arrow , Okla.?s outstanding general obligation (GO) debt to 'AA' from 'AA-'. The outlook is stable. The upgrade reflects our view of the city?s economic growth and diversification, coupled with healthy reserves and a track record of positive financial performance, supported by its revenue growth. Broken Arrow?s existing GO bonds are secured by revenue from an ad valorem tax levied on all taxable property without limitation as to rate or amount within the city. The rating reflects our view of the city?s economic strength and healthy reserves, supported by its stable financial performance. Located approximately 15 miles southeast of Tulsa, the city is experiencing assessed valuation (AV) growth as developments continue