On a somewhat related note, here's an interesting FINRA enforcement action against Wilson-Davis. It goes way back to the period in which Anthony Kerrigone almost broke WDCO's bank shorting LOTE. But the action involves three other issuers as well: PVTA, PMEA, and CNCT.
All of the stocks had been pumped on the hotstocked.com site. In another development, HotStocked's website, though still live, seems not to have been updated in any way since the summer of 2018: