Derf: IMO, I'd stay completely away from it, but I'm not a swing trader in OTC's (not yet anyway). I have had some success swing trading real companies with real earnings. That way, there is little risk of sudden news that makes the stock go to zero.
I wouldn't ever want to hold EDIG overnight. IMO, there is a risk, like many other shaky OTCs, of sudden bad news that tanks the price immediately (like a BK or SEC investigation). In November the stock dropped 50% in the days following the annual shareholder meeting.
My point about the touts is you can buy when hyping activity is low and sell when the touts are really going for it.
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