他们不仅没有减轻风险，如2007年的危机所警示的，控制新的散户投资者进入市场；而且他们实际上加剧了风险，通过允许甚至鼓励这些投资者通过保证金交易来累积杠杆。
Not only did they fail to mitigate the risks, underscored in the 2007 collapse, that new retail investors introduce into the market; they actually exacerbated them, by allowing, and even encouraging, those investors to accumulate leverage through margin buying.