A U.S. Securities and Exchange Commission watchdog conducted an extensive, months-long investigation to find out who had leaked information that appeared in two Reuters stories published last autumn, but it was unable to identify the sources, according to a report of the probe seen by Reuters on Thursday. The SEC's Office of Inspector General (OIG) started the investigation after Reuters published information about the regulator's decision, taken in a closed-door meeting on Sept. 12, 2013, to settle its probe into JPMorgan Chase & Co’s JPM.N massive London Whale trading loss. The investigation started after Reuters reported on Sept. 17, 2013 that the regulator had approved its portion of a $700 million civil settlement with JPMorgan in a split vote. The story also said that two of the five commissioners had recused themselves from the decision. The SEC made its decision public on Sept. 19, 2013. About a week later, Reuters reported further non-public details about why one of the
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