TBTF banks

Now regulators from Bern to Washington are examining evidence first reported by Bloomberg News in June that a small group of senior traders at big banks had something else on their screens: details of each other’s client orders. Sharing that information may have helped dealers at firms, including JPMorgan Chase & Co., Citigroup Inc., UBS AG and Barclays Plc, manipulate prices to maximize their own profits, according to five people with knowledge of the probes.