This story was originally published on Banking Dive. To receive daily news and insights, subscribe to our free daily Banking Dive newsletter. Citi on Thursday rejected mining and transportation conglomerate Grupo Mexico’s offer to buy Banamex for roughly $9.3 billion. “After careful consideration of the proposal, including but not limited to financial considerations and transaction certainty, we have advised Grupo Mexico that Citi rejects the offer,” the bank said Thursday in a statement seen by Bloomberg. ...