During the pre-open call auction for some IPOs and relisted stocks, unusually large orders were placed at inflated prices, only to be cancelled shortly before the session closed. This pattern suggests potential market manipulation. In order to curb the misuse of the call auction session, Sebi has decided to modify the current provisions related to call auction sessions for IPO and relisted scrips and introduce additional surveillance measures at stock exchanges. During the pre-open call auction for some IPOs and relisted stocks, unusually large orders were placed at inflated prices, only to be cancelled shortly before the session closed. This pattern suggests potential market manipulation. In order to curb the misuse of the call auction session, Sebi has decided to modify the current provisions related to call auction sessions for IPO and relisted scrips and introduce additional surveillance measures at stock exchanges. Economic Times