In the City, on the trading floor of the derivatives exchange NYSE Liffe, the volume of trades in white sugar contracts jumped by 40% from 145, 554 in August to 204, 662 in September.

在伦敦金融城，衍生物交易所NYSE Liffe的交易大厅中，白糖期货合约成交量已经攀升了40%，从8月的145554宗上升到9月的204662宗。

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In 2003 the New York Stock Exchange (NYSE) handled about 80% of trading volume of its listed stocks, but by the end of 2009, that share had fallen to 25% (see chart).

2003年，纽约证券交易所中上市股票80%的交易额使用人工交易，到了2009年底就降低到25%。

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The obvious attraction of the bond market is its size: some $10 trillion-worth of corporate bonds traded in 2003, a quarter more than the trading volume on the NYSE.

债券市场显而易见的吸引力是它的规模：价值约10 兆美元的公司债券在2003年进行了交易，这一数字比纽约证券交易所的交易额高四分之一。

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Secondly, the ratio of Nasdaq to NYSE volume fell below 100% for the first time since 1998, indicating a contraction of speculative buying.

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Also driving the mergers: the need to boost listings, a core source of revenue for the exchanges as they battle to preserve their share of trading volume against competition from new market entrants like Kansas City-based BATS Trading, which siphons about 8% of Nasdaq's daily volume and 5% of NYSE volume.

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Subtract the huge component of Citigroup shares from the NYSE total volume and the dry-up in volume borders on astonishing.

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