Mumbai, July 17 -- Fino Payments Bank Ltd, Laser Power & Infra Ltd, Nilkamal Ltd and Pioneer Investcorp Ltd are among the other gainers in the BSE's 'B' group today, 17 July 2026.Responsive Industries Ltd surged 12.31% to Rs 214.35 at 12:01 IST. The stock was the biggest gainer in the BSE's 'B' group. On the BSE, 3.56 lakh shares were traded on the counter so far as against the average daily volumes of 1.3 lakh shares in the past one month. Fino Payments Bank Ltd spiked 11.64% to Rs 176.5. The stock was the second biggest gainer in 'B' group. On the BSE, 7.21 lakh shares were traded on the counter so far as against the average daily volumes of 2.67 lakh shares in the past one month. Laser Power & Infra Ltd soared 9.99% to Rs 289.1. The st...