Standard Chartered PLC (LON:STAN) (LON:STAC) has been hit with a $300 million fine by the New York Department of Financial Services (DFS) for failing to fully implement the anti-money laundering transaction surveillance system that it agreed to as part of a 2012 settlement. Standard Chartered had already been fined $667 million related to the charges London-based Standard Chartered PLC (LON:STAN) (LON:STAC), which does most of its business in Africa, Asia, and the Middle East, was accused of having laundered $250 billion for the Central Bank of Iran, Bank Melli, Bank Saderat, and other Iranian entities by the DFS two years ago and…