Mumbai, Oct. 13 -- Max Financial Services Ltd, GSPL Transmission Ltd, OneSource Specialty Pharma Ltd, Sapphire Foods India Ltd are among the other stocks to see a surge in volumes on BSE today, 13 October 2026.Power Finance Corporation Ltd clocked volume of 102.6 lakh shares by 10:45 IST on BSE, a 20.7 times surge over two-week average daily volume of 4.96 lakh shares. The stock gained 0.86% to Rs.339.05. Volumes stood at 3.11 lakh shares in the last session.Max Financial Services Ltd witnessed volume of 10.32 lakh shares by 10:45 IST on BSE, a 18.04 times surge over two-week average daily volume of 57171 shares. The stock increased 2.22% to Rs.1,332.00. Volumes stood at 4449 shares in the last session.GSPL Transmission Ltd registered vol...