Apparent or possible fraudulent activity by a company or it's officers, with potentially manipulative actions to affect a stock price.
BINGO! If I had to choose an infraction of those listed I would say that one to be the best guess.
I know for a FACT there was someone monitoring the Log In's on this message board (Dec 2010) and placing buy trades only seconds before the actual post got posted. I knew they would eventually be caught...
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