Prozone Intu Properties Ltd, Tide Water Oil Co (I) Ltd, The Hi-Tech Gears Ltd and Om Infra Ltd are among the other gainers in the BSE's 'B' group today, 28 May 2021. Prozone Intu Properties Ltd, Tide Water Oil Co (I) Ltd, The Hi-Tech Gears Ltd and Om Infra Ltd are among the other gainers in the BSE's 'B' group today, 28 May 2021. DB (International) Stock Brokers Ltd spiked 19.93% to Rs 14.44 at 12:03 IST. The stock was the biggest gainer in the BSE's 'B' group. On the BSE, 35356 shares were traded on the counter so far as against the average daily volumes of 1672 shares in the past one month.