Mumbai, Aug. 21 -- Welspun Enterprises Ltd, Thomas Cook (India) Ltd, Cartrade Tech Ltd and Jindal Saw Ltd are among the other gainers in the BSE's 'A' group today, 21 August 2026.Welspun Corp Ltd soared 15.91% to Rs 2323 at 11:46 IST. The stock was the biggest gainer in the BSE's 'A' group. On the BSE, 8.04 lakh shares were traded on the counter so far as against the average daily volumes of 42772 shares in the past one month. Welspun Enterprises Ltd surged 10.09% to Rs 644. The stock was the second biggest gainer in 'A' group. On the BSE, 1.4 lakh shares were traded on the counter so far as against the average daily volumes of 10232 shares in the past one month. Thomas Cook (India) Ltd spiked 9.06% to Rs 110.8. The stock was the third bi...