go a bull+[UK: ɡəʊ ə bʊl] [US: ˈɡoʊ ə ˈbʊl]
speculate on the rise+[UK: ˈspe.kjʊ.leɪt ɒn ðə raɪz] [US: ˈspe.kjə.ˌlet ɑːn ðə ˈraɪz]
bull [bulled, bull, bull]+verb[UK: bʊl] [US: ˈbʊl]
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