littlefish: There are some many possible things going on. No real way to know. One bad explanation is that a promoter is making trades back and forth to walk the price up. Has been done since stock markets have existed. Read "A random walk down wall street" for a good primer on all that kind of action.
Back when I was doing some OTC Market Making we used to work for 1/32 on a cross trade. Now they seem to do it for $.01 per share.
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