You might want to consider the possibility that you have misinterpreeted what is really a buying opportunity as something else and traded out rather than in due to not bothering to actually weigh the evidence (because you were only trading?).
The SP has been markedly affected by evidence lately despite your belief it hasn't. (If the mouse study is not "evidence" what WOULD you consider "evidence" (if only clinical trials meet your standards you are investing in the wrong company and need to look for a later stage biotech (or just come back in a couple of years (when the SP may be much higher).
News 
Market Data 
Discover 
AI
