Because the general over all view of this co. by wallstreet and or any other speculators is that DNAG can't perform. Dnag's track record speaks volumes or haven't you looked at a their stock chart lately?
You "wonder why?" Because those so called media releases are only "positive" in your eyes and, like your posts, have all been dismissed by investors as being pure fluff of no substance or consequence.
The plummeting pps reflects a total lack of trust for and a rejection of management and what it has to say about the future of this company. IMO, this observation is not even subject to rational debate.