As prices of financial instruments go sharply up and down , and the opportunity for profit , multiplied through leverage and the use of derivative products , mesmerises all concerned and provides employment and income for many , the basic purpose of finance is often ignored or even forgotten . there is then a risk of finance taking on a life of its own , behaving in a manner inconsistent with the public interest 由于金融产品价格可以大上大落,并带来获利的机会,若配合利用杠杆作用及衍生工具,以小博大的成绩更加令人目眩,加上金融行业提供不少就业机会,以致金融的基本目的往往被人忽略或遗忘,甚至本末倒置,变成有违公众利益,因此有必要不时提醒有关人士这一点。