CSTI is familiar from the past indeed, that one was definitely the ax last time the stock traded with huge volume (seems like a lifetime ago, but I think we'll regain volume in due time).
Anyhow I'm in no rush here, will patiently wait to see OPHI develop as the real company they are.
My posts are, will always be, and has always been in my own opinion. Do your own Due Diligence.