This whole sector is getting hit right now. HART is holding up pretty well imo. HART is a very real company with large institutional investors like Blackrock (BLK) and over 80 other institutions among the shareholders. Blackrock owns 9.8 % alone of HART. These organisations have pretty good due diligence when the invest, so I would not worry about a pumpndump. HART has proof of concept and its current valuation is far below comparable companies.In fact, HART would have to climb to 20 - 70 USD a share to be equally valued as some of its comparable companies. The collective biotechselloff will soon be over, investors will discover this little gem and then..... well you get the point.