I use scottrade. There is a button under trade.

Click "pre/after market" button and you can submit your trade orders. Pre-market is 6:00 am - 9:28 am and after market is 4:02 pm - 8:00 pm. However, They have to be limit orders. However, I don't know about Vanguard Account Trade. You can give them a call. 

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谢谢 !问过Vanguard,没有。看来要开其他账户了。 -iwantosayno- 给 iwantosayno 发送悄悄话 (0 bytes) () 10/06/2015 postreply 10:27:41

Could try scottrade or TD Ameritrade. -ceramic_baby- 给 ceramic_baby 发送悄悄话 (0 bytes) () 10/06/2015 postreply 10:33:13

好的,谢谢! -iwantosayno- 给 iwantosayno 发送悄悄话 (0 bytes) () 10/06/2015 postreply 10:41:42

瓷宝,我用的是etrade,上次在pre market买了500 股jnug,除了交Commission $9.99, 还要交不 -书简- 给 书简 发送悄悄话 (0 bytes) () 10/06/2015 postreply 12:34:02

补充 -书简- 给 书简 发送悄悄话 (418 bytes) () 10/06/2015 postreply 12:39:44

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