NEWYORK(Reuters)-TheDowandS&P500closedatfive-yearhighsonFridayasthemarketregisteredathirdstraightweekofgainsonasolidstarttothequarterlyearningsseason.MorganStanleywasthelatestWallStreetbanktoreportstrongresults.Itsbetter-than-expectedearningsfollowedsimilarreportcardsfromGoldmanSachsandJPMorganChaseearlierintheweek.SharesofMorganStanleyshotup7.9percentto$22.38.Itrep...