Shares of Reliance Industries Ltd today rose by nearly 2 per cent after the company reported a 12.5 per cent jump in the September quarter net profit. The stock gained 1.71 per cent to touch its one year high of Rs 891.70 on BSE. It however gave up its early gains and was trading 0.58 per cent lower at Rs 871.60. On NSE, the stock went up by 1.77 per cent to Rs 892 - its 52-week high. Oil-to-telecom conglomerate RIL on Friday reported a 12.5 per cent jump in the July-September quarter net profit after refining margin soared to nine year high and mobile telephony venture earned operational profit. Net profit for the second quarter of the current financial year was Rs 8,109 crore, or Rs 13.7 per share - higher than Rs 7,209 crore, or Rs 12.2 a share, in the same period of last fiscal. Its total revenue was up 23.9 per cent at Rs 1,01,169 crore.