Hong Kong is at risk of splitting up into two economies. On one end, Hong Kong’s financial, professional and business services are being revived on the back of China’s resurgent, tech-driven economy and the shifting balance of power between Washington and Beijing. US President Donald Trump’s global tariff war, announced on April 2, was supposed to kneecap the world. But the shock and awe unleashed have rapidly dissipated due to rising misgivings about the looming fiscal crisis, compounded by the...