So far, 2007 hasn't proved to be a great year to list a real estate group. Delek came to the market in April, and like the rest of the sector it has found little support, albeit a 15 per cent decline since listing isn't so bad relative to its peers. The company, the largest real estate group on AIM, released debut interim results yesterday and there was enough in them to suggest the market has oversold the stock. Pre-tax profit of [pound]55m was ahead of forecasts, as was the 230p net asset value per share, the most important valuation indicator for the property sector.