USO只能短炒，不是长期持有的股，contango 让你和油价不同步。

来源: 怀着我的梦想于 2014-12-13 10:14:08 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.

Change Ad Consent