I have added several times. Unfortunately, one lesson I have learned well since is that averaging down is not a successful strategy for a POS that does nothing but go lower. I've never owned a stock quite like this one. It trades as if the trials failed and I sure don't get it.
It's almost as if the closer the company gets to achievement, the more it gets punished for it. Valuation is silly to me, I actually think the company is worth > 2 billion yet here it sits with an EV of 250 million or so. Perhaps the joke is on me.
Good luck.
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