The stock market debut of Tata Technologies took the Tata Group's market capitalisation past the ₹26-lakh-crore mark on Thursday. Tata Tech's stock rallied over 160% from its IPO price of ₹500 on Thursday following its debut. With a market capitalisation of over ₹53,000 crore, Tata Technologies became the ninth most-valued Tata Group company, contributing over 2% to the conglomerate's mcap.