If suppliers and advisers can be dragged into class actions, it would no longer even be necessary to issue shares in the United States to incur securities liability, points out Peter Wallison of the American Enterprise Institute, a think-tank.

• 来自美国企业研究所智囊团的皮特华而森指出，如果供应商和顾问能被牵扯到共同起诉中，那么就不会甚至没必要出现在美国发行股票而招致证券债务的情况。