Mumbai, Aug. 13 -- Astral Ltd, Cyient Ltd, Sun TV Network Ltd, Sarda Energy & Minerals Ltd are among the other stocks to see a surge in volumes on BSE today, 13 August 2026.UltraTech Cement Ltd recorded volume of 25.12 lakh shares by 10:45 IST on BSE, a 181.44 times surge over two-week average daily volume of 13845 shares. The stock lost 1.84% to Rs.11,617.95. Volumes stood at 15399 shares in the last session.Astral Ltd registered volume of 4.4 lakh shares by 10:45 IST on BSE, a 25.73 fold spurt over two-week average daily volume of 17104 shares. The stock rose 7.27% to Rs.1,565.00. Volumes stood at 10685 shares in the last session.Cyient Ltd notched up volume of 4.16 lakh shares by 10:45 IST on BSE, a 22.02 fold spurt over two-week avera...