Despite a modest 3% grey market premium for JSW Cement’s IPO, SBI has already bagged a stellar 125% return on its Rs 57.75 crore investment. Selling 88.23 lakh shares at a hefty premium, SBI pocketed Rs 78 crore profit ahead of listing. The Rs 3,600 crore IPO will trim SBI’s stake from 1.22% to 0.47%.