Mumbai, Oct. 1 -- Global Surfaces Ltd, RACL Geartech Ltd, Dynacons Systems & Solutions Ltd and AAA Technologies Ltd are among the other gainers in the BSE's 'B' group today, 01 October 2025.Atlantaa Ltd spiked 19.99% to Rs 46.64 at 12:02 IST. The stock was the biggest gainer in the BSE's 'B' group. On the BSE, 1.23 lakh shares were traded on the counter so far as against the average daily volumes of 50301 shares in the past one month. Global Surfaces Ltd surged 18.06% to Rs 101. The stock was the second biggest gainer in 'B' group. On the BSE, 36414 shares were traded on the counter so far as against the average daily volumes of 4283 shares in the past one month. RACL Geartech Ltd soared 15.96% to Rs 1240. The stock was the third biggest ...