Mishra Dhatu Nigam Ltd was the top gainer in the BSE's 'A' group on December 29, 2025, soaring 12.76% to Rs 359.15. Other notable gainers included Hindustan Copper Ltd, MMTC Ltd, Jai Balaji Industries Ltd, and HFCL Ltd, with significant trading volumes observed across these stocks. The broader market saw the Sensex decline while the Nifty Metal index reached a new high.