Mumbai, April 16 -- Sonata Software Ltd, NLC India Ltd, Gujarat Mineral Development Corporation Ltd, HDB Financial Services Ltd are among the other stocks to see a surge in volumes on NSE today, 16 April 2026.Firstsource Solutions Ltd registered volume of 543.18 lakh shares by 14:09 IST on NSE, a 42.35 fold spurt over two-week average daily volume of 12.83 lakh shares. The stock rose 11.30% to Rs.245.25. Volumes stood at 15.37 lakh shares in the last session.Sonata Software Ltd recorded volume of 183.6 lakh shares by 14:09 IST on NSE, a 34.09 times surge over two-week average daily volume of 5.39 lakh shares. The stock gained 12.34% to Rs.285.12. Volumes stood at 5.82 lakh shares in the last session.NLC India Ltd registered volume of 347....