Emerging markets financial services investor LeapFrog Investments and private equity investment manager Lombard Investments have acquired an aggregate 22 percent stake in Thailand-listed general insurer Syn Mun Kong Insurance (SMK) from United Kingdom-based insurance group Royal & Sun Alliance Insurance for THB1.89 billion (approximately US$57.5 million). LeapFrog and Lombard each acquired an 11 percent stake. SMK operates an automotive insurance business with specialized health, personal accident, fire, marine and transportation insurance offerings as well.