How will Washington’s intervention affect Hong Kong business?

Analysts warn that any US measures would have a ‘chilling effect’ on business activity. The newly Security Law China has imposed in Hong Kong continues to be a debated topic around the world, and the potential ramifications of Washington's position on the matter are being greatly scrutinised. Financial Times' Shanghai correspondent, Thomas Hale, analyses how trade, markets and the dollar-pegged currency of the peninsula could be affected.