The company's stock ended at Rs 227.65 on the BSE, up 9.55 per cent.
During the session, the stock had risen by 15.71 per cent to touch an intra-day high of Rs 240.45. Trading volume soared by more than 5-times on the BSE.
Following the uptick in the counter, the market capitalisation of the company rose by Rs 124.99 crore to Rs 1,433.43 crore.
On NSE, the stock settled at 227.35, up 9.01 per cent. During the day, the stock had risen by 15.08 per cent to an intra-day high of Rs 240.
Sunteck CMD Kamal Khetan said the company "continued its strong performance both operationally and financially for the first half of FY17. Our prudent cash flow management practices along with financial discipline have enabled us to strengthen the balance sheet further".