Mumbai, April 17 -- Nava Ltd, Waaree Renewable Technologies Ltd, Gujarat State Petronet Ltd and Ircon International Ltd are among the other gainers in the BSE's 'A' group today, 17 April 2026.MMTC Ltd soared 13.84% to Rs 70.47 at 11:47 IST. The stock was the biggest gainer in the BSE's 'A' group. On the BSE, 16.37 lakh shares were traded on the counter so far as against the average daily volumes of 3.48 lakh shares in the past one month. Nava Ltd spiked 13.55% to Rs 711.55. The stock was the second biggest gainer in 'A' group. On the BSE, 4.35 lakh shares were traded on the counter so far as against the average daily volumes of 23574 shares in the past one month. Waaree Renewable Technologies Ltd surged 9.82% to Rs 1163.3. The stock was t...