Tullow Oil rises on African discovery hopes However, shares in fellow oil company BG Group were heading in the opposite direction. The company tumbled more than 13pc, the heaviest fall on the blue-chip index, after the group said production would not grow next year. Traders had not been expecting the company to release its third-quarter statement today, with the group scheduled to update the investors tomorrow. At the other end of the table, International Airlines Group flew up 3.4pc on the back of positive results from Air-France KLM and Lufthansa. Overall, the wider market moved in a rather less dramatic fashion with the FTSE 100 up just 2 points and the mid-cap FTSE 250 advancing 45 points. Dealers will be looking ahead to the resumption of trading on Wall Street later this afterrnoon, after superstorm Sandy ensured US markets remained closed for two consecutive days, resulting in low trading volumes in London. On the mid-cap index, wealth manager St James's Place gained 4.6pc after reporting an 8pc increase in new business and a 6pc rise in funds under management. A second Takeover Panel deadline extentsion for merger talks saw Britvic shares remain flat at 360p and AG Barr dip 0.4pc. The two groups now have until November 28 to make a firm offer of walk away. "The announcement of a further extension is slightly surprising to us as we had expected it to be formally agreed and announced today," said Shore Capital. It would appear that the discussions and subsequent due diligence and planning are being carried out in a thorough manner, which we suspect is being led by AG Barr. We continue to have a positive stance on the proposed merger and we do expect an agreement to be reached between both parties.