PHARMACEUTICAL company GlaxoSmithKline will report its second quarter results on Wednesday and so far this year the stock has only risen 11 per cent since its March low of around &pound;10, whereas the FTSE 100 has rallied some 24 per cent. Wednesday&rsquo;s figures might give the drug maker the boost it so badly needs. Capital Spreads quotes a rolling price of 1,119.9-1,121.6p.<br /><br />London-listed oil explorer Heritage Oil is currently the subject of a potential bid interest from Royal Dutch Shell with a price of 700p per share being rumoured &ndash; the stocks is currently trading at 498p. Heritage recently had a large oil find in Kurdistan and its $6bn merger with Turkish Genel should give it the means to export the oil. IG Index is quoting 501-506.5p on its December spread.<br /><strong><br />POSITIVE ANNOUNCEMENTS</strong><br />Another oil exploration company looking positive at the moment is Tullow Oil, whose shares rose 10 per cent last week following a series of positive announcements including gaining approval from the government of Ghana to undertake major production in the West African country in late 2010. <br /><br />Long-term holders of the stock are staying in, expecting the good news to continue. Spreadex has a December-based contract with a spread of 967-975.4p.<br /><br />Two broker upgrades ahead of Cadbury&rsquo;s first half results this week see the once unloved sweet manufacturer returning to favour. <br /><br />Analysts are expecting it to reassure the market and the share price to accelerate towards former late January resistance at 590p plus. IG Index is quoting a September spread of 548.9-551.6p.<br /><br />Infrastructure software firm Autonomy Corporation saw shares fall sharply last week after what &ndash; at least on the face of it &ndash; appeared excellent results. <br /><br />But the fall was down to a negative reaction by the market to its cautious outlook. However, spread betters have seen this as being overdone and have been profiting from this buying the stock on the dip.<br /><br /> has a rolling spread of 1,205.7p-1,209.3p.