NEW YORK--(BUSINESS WIRE)--Fitch Ratings has upgraded five, downgraded one, and affirmed four classes of Bear Stearns Commercial Mortgage Securities Trust, commercial mortgage pass-through certificates, series 2004-PWR5 (BSCMS 2004-PWR5). A full list of rating actions follows at the end of this release. KEY RATING DRIVERS The upgrades reflect an increase in credit enhancement due to $30.4 million in loan repayments since the last rating action. The downgrade reflects a greater certainty of loss