With markets adjusting to the prospect of rising interest rates from the Federal Reserve, the question is how quickly might the US Central Bank move? According to UOB's Head of Market Strategy, Heng Koon How, they're expecting the Fed to act fast and pull the trigger on a larger 50 basis point hike next month. He spoke to JP Ong on Prime Time about what this might mean for market volatility, and his thoughts on signs of the Treasury yield curve flattening, the path forward for Asian central banks including Singapore's MAS, and what recent Russia-Ukraine tensions mean for markets grappling with even more uncertainty.