Of all the Singaporean companies in Vietnam, few have more confidence in the long-term future of Indochina’s largest country than Keppel Land (KepLand), the property arm of one of the island’s largest conglomerates, Keppel Corporation. It’s putting its money where its mouth is with its plans to invest $1 billion in Vietnam’s tallest building, an 88-storey complex of shops, offices and residences...