道瓊指數是美國股市曆史最長的指數，有30家大公司在裏麵，現在隻是個榮譽地位！代碼有DIA。。。

來源: hhtt 於 2025-10-27 07:29:56 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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