JPMorgan Chase’s failure to timely disclose a major change in how it measured risk could become the centerpiece for an enforcement action by U.S. securities regulators as they probe the bank in connection with its multibillion dollar trading loss. By omitting the change from its earnings release in April, the bank disguised a spike in the riskiness of a particular trading portfolio by cutting in half its value-at-risk number. Read Reuters report here.
