A new twist on the “pump and dump” stock-fraud scam, using phony voice mail messages, brought a guilty plea Tuesday from a telemarketing executive for obstructing an investigation by the Securities and Exchange Commission.
The telemarketer, Michael J. O’Grady, entered the plea to one count of obstruction of justice in the SEC’s probe of an alleged nationwide securities fraud scheme that used voice mail messages made to seem mistakenly left on people’s answering machines to pique their interest in stocks.
