it's just alot of profit taking going on in the overall market that's dragging prices down all around. this will make you very rich if you continue to buy on the dips and can hold on until 2016-2018 pegph20 approval time frame.i am in it for this outcme will dollar-cost average until i can take a little as well. also they said in the Q1 financials that some stock warrants will be exercise that's where some the selling coming from IMHO.
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