SEBI flags prima facie manipulation in Sensex closing auction session, blocks two entities

Sebi barred Copthall Mauritius Investment and Mansi Share and Stock Broking from securities market access. The regulator alleged manipulation of the Sensex during the new closing auction session. Sharp and unusual movements were detected in the index on August 13 expiry day.…

SEBI has taken interim action against two entities over what it described as prima facie manipulative trading during the Sensex Closing Auction Session on August 13, 2026. The regulator flagged sharp price movements, aggressive orders and their apparent links to expiry-day…