A federal appeals court revived a former JP Morgan Chase private banker’s whistleblower lawsuit accusing the bank of firing her in retaliation for warning that an Israeli client might be committing fraud. The U.S. Court of Appeals for the 2nd Circuit in New York found enough evidence to suggest that former JP Morgan employee Jennifer Sharkey had a “reasonable belief” that the client was engaged in fraud and money laundering involving Colombia. Sharkey said she was fired as a vice president a...