The rules would require the investment houses to register with the Securities and Exchange Commission if their assets exceed a yet to be determined size.

VOA: standard.2009.03.26

When they created margin rules that the seller had to be borrowing against securities. Just made more money when securities went up more value.

当我们发明保证金制度,卖空证券时需要交担保金,证券升值时能赚到更多钱。

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