Mosaic ImmunoEngineering is a nanotechnology-based immunotherapy company developing therapeutics and vaccines to positively impact the lives of patients and their families.
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I agree have held ptsc since 2006 have some shares way over 1 dollar,it is so hard watching and holding when you see positive news and the stock goes nowhere even lower.PTSC s/b at least 25 cents by now with all the news that has come out.