The 30-pack BSE Sensex tanked 721.06 points or 1.32% to 53,760.78 during the week ended July 15, 2022, and the Nifty slipped 171.40 or 1.06% to 16,049.20.Markets extended losses after a private report lowered India's gross domestic product growth projection for 2023 by 70 basis points from 5.4% to 4.7% citing headwinds to economic recovery.