Equity indices plunged nearly 3 per cent on Friday with the benchmark BSE sensex falling over 1,650 points as reports of a new Covid variant spooked investor sentiments. The 30-share BSE index tumbled 1,688 points or 2.87 per cent to close at 57,107; while the broader NSE Nifty settled 510 points or 2.91 per cent lower at 17,026.

from Times of India https://timesofindia.indiatimes.com/business/markets/sensex/explained-why-sensex-nifty-fell-to-7-month-low-what-should-investors-do/articleshow/87931790.cms