File-hostingserviceDropboxInc.hasfiledwiththeUSSecuritiesandExchangeCommissiontoraiseupto500millionUSdollarsinapublicoffering.Initsfiling,theSanFrancisco-basedc
Data-sharingbusinessDropboxisseekingtohireunderwritersforaninitialpublicofferingthatcouldcomelaterthisyear,whichwouldmakeitthebiggestUStechnologycompanytogopubl