Other analysts are known to have published reports praising companies to the skies, and then tell fund managers who ring up for more information to call back on a private mobile number - so the analysts can tell the fund manager (on a phone line that is not being tape recorded) to ignore the report and avoid the stock like plague.
In February, Singapore police said they were questioning the alleged leader of the crime syndicate, Dan Tan Seet Eng, and had tipped off Italian authorities with information about the alleged crime ring.