TCS crosses ₹10 tn m-cap on IT optimism, share buyback

- TCS shares rise as much as 8.1% to a record ₹2,727, before surrendering some gains to close at a record ₹2,706.85 and a market cap of ₹10.15 trillion
- Tata Consultancy Services is scheduled to announce its July-September quarter earnings on 7 October