Oneglobal Broking has established an operation in Singapore, led by Singaporean broking leaders David Lum and Sirikit Oh. Oneglobal Broking Singapore Pte Ltd has received regulatory in-principle approval from the Monetary Authority of Singapore. Mr Lum has been appointed chairman of the new operation and will report to Jonathan Palmer-Brown, chairman of Oneglobal, while Ms Oh becomes CEO and will…