Mumbai, Jan. 14 -- MMTC Ltd, Graphite India Ltd, HEG Ltd and Vedanta Ltd are among the other gainers in the BSE's 'A' group today, 14 January 2026.Jupiter Wagons Ltd soared 9.03% to Rs 321.05 at 11:46 IST. The stock was the biggest gainer in the BSE's 'A' group. On the BSE, 7.64 lakh shares were traded on the counter so far as against the average daily volumes of 17.6 lakh shares in the past one month. MMTC Ltd surged 8.54% to Rs 69.05. The stock was the second biggest gainer in 'A' group. On the BSE, 36.89 lakh shares were traded on the counter so far as against the average daily volumes of 9.55 lakh shares in the past one month. Graphite India Ltd spiked 7.82% to Rs 647.3. The stock was the third biggest gainer in 'A' group. On the BSE,...