Hong Kong must maintain cash reserves to cope with geopolitical shocks and support long-term growth, even with a surplus expected in the government’s operating account this year, the financial secretary has said. Paul Chan Mo-po also said on Saturday that the city’s economy outperformed forecasts last year, lifted by strong exports to Southeast Asia and a booming financial market. On Friday, the government announced a surplus of HK$43.9 billion (US$5.6 billion) in its operating account, which...