What DOJ Probe: Citadel Acquires Electronic Trading Pioneer ATD To Cement HFT Dominance
Less than a week after Reuters broke the story that the Department of Justice is probing HFT powerhouse Citadel, which admits it executes 35% of all trades by retail investors in U.S.-listed stocks, whether it is also frontrunning those orders (an allegation that many are convinced is a rock-solid fact) we find that billionaire Ken Griffin is not at all concerned about the outcome of the investigation on his core business model and is instead expanding.