They say there are other reasons why the large animals and people from that period disappeared.

VOA: special.2009.01.20

By the time 2005 rolled around, there were only 177 managers that reported returns, so 130 managers disappeared.

到了2005年底,只有177位经理人公布收益,130位经理人消失了

耶鲁公开课 - 金融市场课程节选