(Bloomberg) -- A slump in South African dollar bonds has made them the biggest laggards in developing markets this year, reflecting concern among investors that a market-unfriendly coalition government may emerge from next month’s elections.Most Read from BloombergTexas Toll Road Takeover to Cost Taxpayers at Least $1.7 BillionApple Explores Home Robotics as Potential ‘Next Big Thing’ After Car FizzlesKim Jong Un Faces Annihilation in Most Korea War ScenariosSaudi Crown Prince MBS’s $100... Read this story