From Longman Business Dictionary
stealsteal1 /stiːl/ verb (past tensepst stole /stəʊlstoʊl/, past participlepp stolen /ˈstəʊlənˈstoʊ-/)1[intransitiveI, transitiveT] to take something that belongs to someone, without their permissionsteal fromThey had admitted stealing from clients.
2steal a march on somebody to do something new or good before other people do it, for example by producing a new productThe American computer company really stole a march on the competition with its latest PCs.