OutofAfrica, I could not agree with you more. Although in passing, it should be duly noted that 'share price' conceptually is not a reflection of the geological potential, nor a measure of the true market value, but rather directly related to the earnings and dividends of the company. Technicalities aside however, and in particular referencing Starfield Resources, the presumption that its management team act rationally and without bias, and that at any moment they can estimate the true worth of an asset based on future expectations, is a fairy tale at best.
Under the best of conditions, all existing information affects the price, which changes only when new information comes out. By definition, Diamond Drilling represents new information, irrespective of merit.
Make your own conclusions.