QQQ是高科技100股，是高科技指數，美國前10大高科技公司占51%。盈利高，風險也高。

來源: hhtt 於 2025-08-19 08:06:01 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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