They are expected to include wire fraud, obstruction of justice and making false statements.
The largest penalty for committing wire fraud is 20 years in prison.
He was convicted in 1995 of wire fraud for trying to manipulate the market.
The four were charged with conspiracy to commit wire fraud.
A maximum sentence for wire fraud is five years in prison and a $250,000 fine.
He agreed to plead guilty to a charge of wire fraud.
The charges are conspiracy, wire fraud, and obstruction of justice.
All three men were convicted of conspiracy to commit wire fraud.
He has been charged with four counts of wire fraud.
They have been charged in the United States with seven counts of wire fraud.
