Online trading company London Capital Group (LCG) faces compensation claims of up to £5.5m if over a hundred investor complaints to the FOS succeed, according to a solicitor working on the case.
Structured products and spread betting will be subject to the Markets in Financial Instruments Directive (MiFID) appropriateness test for execution-only clients, says the Financial Services Authority.
Providers of CFD and spreadbetting services could be forced offshore because of MiFID best execution rules.
Spread betting firm Cantor Index has been fined £70,000 by the FSA over the way it promoted its services.