The financial picture at the Homewood-Flossmoor Park District has improved enough that Standard & Poor’s has upped the bond rating for the district. Standard & Poor’s gave the park district an A- rating, a step up from its previous BBB rating. Standard & Poor’s Financial Services LLC is one of three major agencies that issue credit ratings. The rating can be considered a financial indicator to potential investors of debt securities, such as bonds. The A- rating is a good sign for the district, but tells lenders the park district “could be somewhat . . .