Jindal Photo Ltd emerged as the top gainer in the BSE's 'B' group on December 31, 2025, surging 19.99% to Rs 1808. Other notable gainers in the group included California Software Company Ltd Partly Paidup, Orient Technologies Ltd, and Dynacons Systems Solutions Ltd, with significant price increases. Trading volumes varied across these stocks, with Orient Technologies Ltd seeing a substantial increase in shares traded.