TCS shares, which began 2026 at ₹3,226.80, fell to a 52-week low of ₹2,144 on June 8. The decline of over 33% has wiped out nearly ₹3.8 lakh crore in market value. Notably, TCS alone has seen a larger erosion in market capitalisation than the combined decline recorded by the rest of the Tata Group companies.