The Financial Services Authority (FSA) has warned investors against dealing with clones of Morgan Stanley and Allianz International.
A man convicted of insider dealing has been ordered to pay more than half a million pounds in a confiscation order.
A financial adviser and criminal gang member who conspired to launder £9.5m has been jailed.
A fraudster has been jailed for four and a half years for laundering funds in a £27.5m boiler room scheme.
Conservative heavyweight David Davis MP has called on the Serious Fraud Office to investigate the Arch Cru collapse, according to reports.
The Financial Services Authority (FSA) is contacting more than 75,000 people warning them they are being targeted by financial conmen in what is the largest number of potential victims it has contacted in one go.
Two men and a woman have been jailed for a fraud where more than £4m was taken from private investors through a boiler room based in Spain and Ireland.