Mumbai, Aug. 17 -- Ipca Laboratories Ltd, PTC Industries Ltd, Motilal Oswal Financial Services Ltd, Schneider Electric Infrastructure Ltd are among the other stocks to see a surge in volumes on NSE today, 17 August 2026.Physicswallah Ltd witnessed volume of 808.08 lakh shares by 14:14 IST on NSE, a 16.2 times surge over two-week average daily volume of 49.89 lakh shares. The stock increased 5.62% to Rs.123.70. Volumes stood at 54.46 lakh shares in the last session.Ipca Laboratories Ltd saw volume of 61.41 lakh shares by 14:14 IST on NSE, a 15.39 fold spurt over two-week average daily volume of 3.99 lakh shares. The stock increased 9.40% to Rs.1,897.20. Volumes stood at 3.91 lakh shares in the last session.PTC Industries Ltd recorded volum...