IFG Group saw shares soar on Wednesday after revealing that it has received an approach that could lead to an offer for the company.IFG, which provides self-invested personal pensions in the UK and Ireland, said that the approach - from an unnamed party - is in the preliminary stages and is subject to a number of conditions."Accordingly, no assurances can be given that a formal offer will be forthcoming or that any transaction will occur," the statement said.The stock had been already performing well before the announcement, having leapt around 27% since the end of January.In March, the group reported a 29% increase in 2010 full-year revenues to €120.6m, from €93.3, while operating profit more than halved from €9m to €4.4m.---BC