HSBC Holdings’ exploration of options for its insurance business in Singapore may lead to a sale of the unit as the group reallocates resources to its insurance business in Hong Kong and mainland China, according to analysts. “It makes sense for HSBC to consider an exit from Singapore’s insurance market to focus on Hong Kong and mainland China, as so many mainlanders are coming to Hong Kong to buy insurance products here,” said Kenny Tang Sing-hing, chairman of the Hong Kong Institute of...