由于其核心的固定收益、外汇和大宗商品部门收入下滑，该部门上半年利润比去年同期下降了近30%。

First-half profits at the division were almost 30 per cent lower than a year before as revenue slipped at its core fixed income, currency and commodities division.

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过去几年里，证券业得益于固定收益、外汇和大宗商品市场带来的强劲收入，产生了丰厚的利润。

The securities industry has generated bumper profits in the last few years, benefiting from strong revenues in fixed income, currency and commodity markets.

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