Adani Power has emerged as the most valuable publicly listed company in the Adani group, surpassing Adani Ports & SEZ. The stock rallied 4.5% to hit a fresh 52-week high of ₹207.50 on Monday, taking its market capitalisation to around ₹3.99 lakh crore. In the past 12 months, Adani Power shares have delivered returns of 84%, Economic Times reported.