Research finds effects are mixed, but HFT boosts systemic risk, costs
Trade group says extended trading brings risks alongside rewards
Exchange seeks comment on new co-location offering
FCA investigating possible competition concern in data access
Plan includes cutting core clearing fees by 35% while scrapping rebates
FCA approves exchange's plan for a new platform for private equity trading
Regulator finds "directed IOI" order type violates market access principle
Canadian exchanges among foreign venues expanding role in Aussie markets
Retail investors will have some protections, but not contingency fund coverage
Exchange association calls for effort to preserve the virtues of going public