You're right, there is a personal war between those guys but I've seen the tweet ("@magnusqwips Hey Shawn please email me. George@clippercp.com") with my own eyes and I also verified in the domain history of those three domains (pennystockdaytrades.com, daytradingpennies.com and pennydaytrades.com) that the first registrar was Leslie Howards and the associated email pumpsanddumps@gmail.com.
George Sharp is definitely behind pumpsanddumps.com and firstmicrocapreport.com, which share the same server (64.202.189.170).
By the way, since the end of April that server hosts also the site legitimateinvestor.com
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