BioShock Boosts Take Two SharesThe game, which is released across Europe this Friday, is already receiving exceptional reviews from the specialist gaming press. Earlier this month Take 2 announced it was delaying the release of the latest title in its most lucrative franchise, Grand Theft Auto IV, prompting shares to fall 28 per cent over two weeks, reports Reuters. According to one analyst, the game could appeal to more than just a hardcore gaming audience. "Theres a lot of excitement over BioShock," offered Mike Hickey of Janco Partners. "This could be a huge profit generator for them," he said.