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tT
发表于 2012-11-29 16:59 | 显示全部帖子

[闲谈] I have a question

Why does stock change price instantly following the index?

If order was placed manually, at least, there should be 2-3 seconds delay.

If computers are trading, why do they have to trade on every point change?
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2#
发表于 2012-11-29 17:17 | 显示全部帖子
It is obvious the computer trading mkt. But why did the human being set the program to respond to every point change

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3#
发表于 2012-11-29 17:22 | 显示全部帖子
if the computers trade every m-second, how much fund they can put into the mkt and make money? just for fun?

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4#
发表于 2012-11-29 17:27 | 显示全部帖子
looks like millions people set the point to follow the mkt every milli-second

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