NEW YORK--(BUSINESS WIRE)--Fitch Ratings assigns the following ratings to the floater certificates and residual certificates of the Morgan Stanley & Co. Incorporated Trust series listed below: --Series 2008-3022 floaters 'AA/F1'; Stable Outlook; --Series 2008-3022 residuals 'AA-'; Stable Outlook; --Series 2008-3248 floaters 'AA-/F1'; Stable Outlook; --Series 2008-3248 residuals 'AA-'; Stable Outlook; --Series 2008-3255 floaters 'AA-/F1'; Stable Outlook; --Series 2008-3255 residuals-'AA-'; S