Citigroup, Inc. (NYSE:C) shares are trading slightly higher on Monday. The company’s expansion plans in China have reportedly encountered a setback with U.S. regulators after the Federal Reserve imposed a penalty on the bank for issues related to data management and risk controls, reported Bloomberg. Notably, in July, the U.S. bank regulators, the Federal Reserve Board, and the Office of the Comptroller of the Currency (OCC) fined Citigroup $135.6 million for failing tocomply with a 2020 enforcement action. The report highlighted that the bank is experiencing delays in establishing a standalon…