One executive involved in oil trading said brokerages have reduced or canceled lines of credit to traders, even telling customers they need to double the amount of margin required from last week.

石油交易行业一位人士说，经纪商已经降低或是取消给交易员的信贷额度，甚至告诉客户他们需要比上周多付一倍的保证金。

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Credit Suisse has suspended a number of traders in connection with the writedown.

瑞士信贷已暂停了许多与上述减记有牵连的交易员的职务。

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Local middlemen amassed huge fortunes by acting as brokers and by offering credit to the traders.

本地的中间人因为做掮客和向商人放贷积聚了大量财富。

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There's posturing by both Republicans and Democrats, who want credit and control and that's wearing on traders.

BBC: Wall Street waits as Washington debates debt limit

If you take sovereign credit default swaps seriously (and some don't), traders now think there is a more than 70% chance of Portugal defaulting during the next five years.

BBC: More market alarm bells on Portugal