Wall Street commodity (5)
(Other definitions for share that I've seen before include "hand pieces out" , "Division" , "Portion, allotment" , "Allotted portion" , "Portion, maybe of capital" .)
(Other definitions for stock that I've seen before include "Cravat worn as part of ridingkit" , "Total of goods kept by trader" , "Neck garment" , "Flower - standard type" , "Wares" .)