If you use leverage, then, when you get margin call in one bad 篮子, it may force you to sell those eggs from good 篮子. One thing leads to anther, that is how thing usually happened until 大雪崩. So it is not "篮子没有相关或者较弱相关性" problem.
【爱尔兰首富宣布破产】法新社报道,因投资盎格鲁-爱尔兰银行失败,曾拥有65亿美元身家的爱尔兰首富西恩-奎因今天正式申请破产。盎格鲁-爱尔兰银行曾是爱尔兰的骄傲,但因该国房地产泡...