JK Tyre & Industries Ltd, Orient Refractories Ltd, Prince Pipes & Fittings Ltd and Mastek Ltd are among the other gainers in the BSE's 'A' group today, 20 January 2021. JK Tyre & Industries Ltd, Orient Refractories Ltd, Prince Pipes & Fittings Ltd and Mastek Ltd are among the other gainers in the BSE's 'A' group today, 20 January 2021. Gateway Distriparks Ltd surged 17.70% to Rs 138.3 at 11:48 IST. The stock was the biggest gainer in the BSE's 'A' group. On the BSE, 1.56 lakh shares were traded on the counter so far as against the average daily volumes of 21658 shares in the past one month. JK Tyre & Industries Ltd soared 13.41% to Rs 102.3. The stock was the second biggest gainer in 'A' group. On the BSE, 9.83 lakh shares were traded on the counter so far as against the average daily volumes of 3.23 lakh shares in the past one month.