TASSILO HUMMEL, BHARGAV ACHARYA AND ALEXANDER WINNING INTERNATIONAL financial crime watchdog the Financial Action Task Force (FATF) added South Africa to its "grey list" of countries under special scrutiny to implement standards to prevent money laundering and terrorism financing. Being added to the list is a reputational setback for Africa's most advanced economy, which has been trying to address shortcomings identified by the FATF. The rand extended losses against the dollar after the watchdog's decision, to trade down about 1.3% on the day. Analysts say increased FATF monitoring could mean South African clients at international financial institutions will be subject…