Uncertainties stemming from a reignited US tariff war will potentially cloud Hong Kong business expansion plans and dampen economic growth for the rest of the year, Trade Development Council chairman Frederick Ma Si-hang has said. But in an exclusive interview with the Post, Ma expressed cautious optimism that a US-China trade deal could be reached by the end of the year, noting that Washington was aware heavy tariffs on Beijing would harm the economy and worsen inflation in the United...