India, Aug. 20 -- SEBI has issued its first interim order alleging manipulation of trades during the Closing Auction Session, introduced on stock exchanges from August 3. The regulator alleged that aggressive cash-market orders influenced the SENSEX on August 13 and benefited derivatives positions, raising concerns over potential misuse of the new auction mechanism. Key Highlights: SEBI issued its first interim order concerning alleged CAS manipulation. Copthall allegedly used aggressive buy orders to push the SENSEX higher. Mansi Share and Stock Broking allegedly created downward pressure through sell orders. SEBI estimated alleged wrongful gains of Rs 2.96 crore and Rs 71.65 lakh. The Securities and Exchange Board of India (SEBI) has i...