Mumbai, May 20 -- PCBL Chemical Ltd, Avalon Technologies Ltd, BLS International Services Ltd and Aurionpro Solutions Ltd are among the other gainers in the BSE's 'A' group today, 20 May 2026.Godawari Power & Ispat Ltd soared 8.97% to Rs 316.45 at 11:46 IST. The stock was the biggest gainer in the BSE's 'A' group. On the BSE, 15.47 lakh shares were traded on the counter so far as against the average daily volumes of 1.51 lakh shares in the past one month. PCBL Chemical Ltd spiked 7.66% to Rs 294.5. The stock was the second biggest gainer in 'A' group. On the BSE, 5.17 lakh shares were traded on the counter so far as against the average daily volumes of 1.08 lakh shares in the past one month. Avalon Technologies Ltd surged 6.98% to Rs 1453....