...+ We believe that operating performance at U.S.-based pet food retailer PetSmart Inc.will not recover sufficiently to support its burdensome capital structure of about $8 billion of funded debt, of which about $2 billion of which was used to finance the purchase of online pet food retailer Chewy. + We now see heightened risks of a distressed exchange transaction over the next year after PetSmart's transfer of a portion of its ownership in Chewy to parent Argos Holdings along with the hiring of financial advisors. + As a result, we are lowering our corporate credit rating on PetSmart to '###' from '###+'. + The negative outlook reflects our view that a downgrade would occur if PetSmart reduces its debt in transactions that we consider a distressed exchange. NEW YORK (S&P Global Ratings) June 14, 2018--S&P Global Ratings today lowered its corporate credit rating on Phoenix-based pet food retailer PetSmart Inc. to '###' from '###+'. The outlook is negative. We revised the recovery rating on...