Mathew Martoma attended hedge fund SAC Capital Advisors LP’s annual compliance training sessions two years in a row, an officer with the firm said, testimony that could bolster the insider-trading case against the former portfolio manager, according to the Wall Street Journal. The testimony by John Casey, an SAC compliance officer, could buttress the government’s contention that Mr. Martoma knew that what he was doing was illegal when he allegedly obtained inside information from two doctors involved in an experimental Alzheimer’s drug trial.