Mumbai, Dec. 4 -- SMC Global Securities Ltd, Maral Overseas Ltd, Eldeco Housing & Industries Ltd and Agri-Tech (India) Ltd are among the other gainers in the BSE's 'B' group today, 04 December 2025.Magnum Ventures Ltd spiked 20.00% to Rs 24.84 at 12:01 IST. The stock was the biggest gainer in the BSE's 'B' group. On the BSE, 32991 shares were traded on the counter so far as against the average daily volumes of 6169 shares in the past one month. SMC Global Securities Ltd soared 19.98% to Rs 73.68. The stock was the second biggest gainer in 'B' group. On the BSE, 2.12 lakh shares were traded on the counter so far as against the average daily volumes of 11150 shares in the past one month. Maral Overseas Ltd surged 18.59% to Rs 53.84. The sto...