I think as with all loss making small caps sentiment plays very important factor. A number of positive announcements sent this rocketing on back of great prospects> I think the reality of profits being still a long way away is now sinking in and newsflow isnt sending the price soaring in the same way. Looks a great prospect but still speculative until profits are in sight and confidence in the business model emerges. I think Biofuels troubles have also affected sentiment for the sector and this will shift given time. I am looking at this with a view to a buy but not yet convinced this is the bottom