Shares in Optibiotix (OPTI) have fallen by more than a quarter on the back on results for the six months to May 31 which are, let us not kid ourselves, really not very impressive indeed. The bears are cock-a-hoop but now talking errant nonsense. We bulls look a bit daft. As a shareholder I feel a bit sore but, having chatted to CEO Steve O’Hara at length, I retain a stance of strong buy. I see one director, Fred Narbel, has bought 17,000 shares at 50p and I expect more, larger scale, boardroom buying to follow. And this is why…