Brussels, 20/09/2011 (Agence Europe) - In a month's time, EU Internal Market Commissioner Michel Barnier will unveil new legislation to deal with some of the negative impacts of allowing increased competition among stock exchanges. Learning from the financial crisis, the Commission will suggest that the revised MiFID (markets in financial instruments) directive (2004/39/EC) should ensure greater transparency about derivatives and other deals. High frequency trading will also be covered by...