David Naville, head of FX structuring for Asia Pacific at Barclays in Hong Kong, has been promoted to head of FX and commodity structuring for Asia Pacific, and has been relocated to Singapore. The promotion and relocation will help Barclays focus on the city-state's development as a commodities trading sector, according to market officials. A Barclays spokesperson confirmed the appointment but declined to provide Naville's reporting lines. However, SRP understands that he will report to Chak