Mumbai, July 31 -- Ujaas Energy Ltd, GACM Technologies Ltd, Transpek Industry Ltd and Mahalaxmi Fabric Mills Ltd are among the other gainers in the BSE's 'B' group today, 31 July 2026.RSD Finance Ltd spiked 19.55% to Rs 110.46 at 12:01 IST. The stock was the biggest gainer in the BSE's 'B' group. On the BSE, 17947 shares were traded on the counter so far as against the average daily volumes of 400 shares in the past one month. Ujaas Energy Ltd surged 18.42% to Rs 157.85. The stock was the second biggest gainer in 'B' group. On the BSE, 47317 shares were traded on the counter so far as against the average daily volumes of 462 shares in the past one month. GACM Technologies Ltd soared 18.33% to Rs 0.71. The stock was the third biggest gaine...