ONGC’s stock plunged to new depths on Tuesday, falling below Rs 100 for the first time in 15 years and ending the session at Rs 99.3 on the NSE. From being among the top firms in India, it now ranks 22 with a market cap of Rs 1.25 lakh crore. Since June 2014, the stock has lost 68% of its value; the fall has been particularly sharp in 2020 with a loss of 23%. That’s despite an attractive dividend yield of 7%.