Shares of Reliance Industries Ltd (RIL) turned ex-date for bonus issue in the ratio of 1:1 on Monday morning, leading to adjustments in its share price. The most-valued stock on stock exchanges opened at Rs 1,338, which was 49.61 per cent lower than Friday's closing price of Rs 2,655.45 for the stock. On adjusted basis, however, the stock was up 0.77 per cent.