Earlier, the FTSE 100 index of British blue-chip shares slumped by as many as 222 points to 5, 518, testing a new two-year low and more than wiping out yesterday's gains.

早些时候，英国主要股票指数——金融时报100指数最低跌至5518点，下跌222点，超过昨天的跌幅，创近两年来新低。

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Shares were down sharply overseas. The euro Stoxx 50, which tracks blue chip companies in countries that use the euro, fell 1.5 percent.

海外股市急剧下跌，以欧元区蓝筹股企业为主的欧洲斯托克50指数下跌1.5%。

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If it is red-chip, all shares can be converted.

如果是红筹，所有的股票可转换。

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The proposed deal would see most blue-chip shares traded in London, while Frankfurt's exchange would deal in technology shares and derivatives.

ECONOMIST: Bouncing back

The alliance members have a gentleman's agreement not to poach business in each others' blue-chip shares, but nobody expects that to last.

ECONOMIST: European stock exchanges

An example is virt-x, a small electronic exchange for European blue-chip shares which offers clearing and settlement alternatives: nearly all the liquidity has migrated to just one of them.

ECONOMIST: Post-trade concerns could hamper a pan-European solution