ACTC's market cap is about $20MM.
Other biotechnology companies that represent what ACTC could be valued at because they are similarly tied into stem cell research:
(1) STEM - Market Cap $110MM
(2) GERN - Market Cap $400MM
(3) Industry Average Market Cap = $141MM
Rough back-of-the-envelope analysis, I know, but sometimes you need this kind of perspective to ask yourself why you are buying a 20-25 cent stock.