Shares of Happiest Minds rallied after reports suggested that founder Ashok Soota was in talks to sell a part of his promoter stake, reviving speculation that first emerged earlier this year. Happiest Minds’ shares surged 21.35 per cent to close at ₹407.60 on Monday, while the Nifty IT index gained 3.59 per cent to end at ₹29,015.85.