Investors protest over mis-sold funds Last year, the Financial Services Authority (FSA) fined Barclays £7.7m after it sold two relatively high-risk Aviva funds to more than 12,000 customers - even though the investments were unsuitable for the vast majority of them. Most of the investors were either nearing retirement or were already pensioners. Barclays has been forced to pay almost £60m in compensation to the victims, who suffered losses as a result of its poor investment advice. However, about 100 customers are still contesting the payments amid a dispute over the formula used to calculate compensation. A campaign group set up to help customers affected by the scandal will tell MPs at a demonstration at Parliament on Tuesday that the formula led to many people receiving 15pc less than they believe they are owed. The formula was devised by Deloitte and approved by the FSA. Paul Cooper, a claims manager and technical adviser to the Barclays Investment Victims Club, said about 100 complaints have been referred to the Financial Ombudsman. Victims fear it could take up to a year to reach a settlement. About a third of the 12,331 investors will get nothing. A spokesman for Barclays said: "As part of our settlement with the FSA in January 2011, we agreed to review all customers affected to determine if they needed redress. This review was conducted by an independent firm to ensure all customers are fairly treated.