At 02:43 pm, the stock was trading 8 per cent higher at Rs 501, after hitting a low of Rs 433 earlier in the day. The trading volumes on the counter jumped over two-fold with a combined 9.9 million equity shares having changed hands on the NSE and BSE. In comparison, the S&P BSE Sensex was up 0.17 per cent at 57,375 points.