I don't know why this is dropping so low. But I'm holding. The company is definitely growing, and they have a ton of really talented people working there. It's costing them a lot to grow, but I think it'll pay off long term. They might be getting some competition from AVMXY who has a similar product for burn patients. But PTE is also working on regenerative bone and organs, as well as doing contractual research in their labs as an additional source of income. I'm going to continue holding long term. The drop might also be a sector-wide drop, as AVMXY also started to drop some the past few days for no real reason.
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