Mumbai, Aug. 19 -- Blackbuck Ltd, Shree Renuka Sugars Ltd, Chennai Petroleum Corporation Ltd and Tourism Finance Corporation of India Ltd are among the other gainers in the BSE's 'A' group today, 19 August 2026.Zaggle Prepaid Ocean Services Ltd spiked 11.25% to Rs 184.5 at 11:46 IST. The stock was the biggest gainer in the BSE's 'A' group. On the BSE, 18.8 lakh shares were traded on the counter so far as against the average daily volumes of 1.98 lakh shares in the past one month. Blackbuck Ltd soared 6.09% to Rs 624.65. The stock was the second biggest gainer in 'A' group. On the BSE, 1.42 lakh shares were traded on the counter so far as against the average daily volumes of 50144 shares in the past one month. Shree Renuka Sugars Ltd surge...