The performance of momentum trading varies from time to time. It is a very good strategy before 1990, a pretty bad strategy during 1998 - 2008, and become better recently.
【在 l*******r 的大作中提到】 : The performance of momentum trading varies from time to time. It is a very : good strategy before 1990, a pretty bad strategy during 1998 - 2008, and : become better recently.