NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) has upgraded the City of Chicago long-term general obligation bond rating to A from BBB+ with a Stable Outlook. The rating revision to A from BBB+ for the City’s general obligation bonds reflects the following factors in combination: Effective City management that was able to secure State legislative reforms that set in motion a path to fiscal solvency for the City’s four pension plans, despite obstacles presented by gubernatorial vetoe