CHICAGO–(BUSINESS WIRE)–Equity Commonwealth (NYSE: EQC) announced today that Moody’s Investors Service (“Moody’s”) has upgraded the company’s senior unsecured debt rating to Baa2 from Baa3 and revised the outlook to stable from positive. About Equity Commonwealth Equity Commonwealth (NYSE: EQC) is a Chicago-based, internally managed and self-advised real estate investment trust (REIT) with commercial office properties throughout the United States. EQC’s portfolio is comprised of 20 properties