A significant decline has been reported in the stock market, with various estimates suggesting that investors have lost between Rs 6.5 lakh crore and over Rs 12 lakh crore. The Sensex and Nifty50 have also fallen, with reported drops ranging from 600 to 2,497 points. The cause of the market downturn is attributed to various factors, including Middle East tensions, with the exact impact and losses still being reported.