NEW YORK–(BUSINESS WIRE)–Fitch Ratings has affirmed nine classes of J.P. Morgan Chase Commercial Mortgage Securities Corp. (JPMCC) commercial mortgage pass-through certificates series 2003-PM1. A detailed list of rating actions follows at the end of this press release. KEY RATING DRIVERS The affirmations of classes F and G reflect the pool’s significant concentrations and expected losses in relation to the classes’ credit enhancement. Loan Concentration: Only 15 loans of the original 151 rema