Stock Market Today: Live Updates 20.08.2026

LIVEMarkets rolling coverageStarted: August 20, 2026, 3:42 AM EDTUpdated: August 20, 2026, 3:42 AM EDT India's market regulator bars JPMorgan entity over alleged closing-auction manipulation August 20, 2026, 3:24 AM EDT. India’s SEBI barred JPMorgan-owned Copthall Mauritius Investment and a local broker from the securities market while it investigates alleged manipulation in the new Closing Auction Session. The regulator says Copthall placed large above-market buy orders across Sensex stocks during the August 13 derivatives expiry, with some orders later cancelled, allegedly boosting options gains by 29.6 million rupees. SEBI ordered a combined 36.8 million rupees to be impounded and barred