I bought a bunch when the rumor for the Biogen buy out pop subsided and the news made it into the worst business page in Boston... The Herald. Then I sold 1/3 of those shares at $10 and still hold the remainder. At current prices, these are about even money.
I did buy many more CRIS shares between $0.83 - $1.50 over the past few years.
You invest two things, money and time doing dd.
Develope the molecules and farm or rather pharm out the manufacture to existing facilities. Share profits.
I like this company. You should too. Not enough shares for day trading, imho. I am a long term kind of guy.