技术问题致美股异常波动部分交易暂停_时事

技术问题致美股异常波动部分交易暂停

U.S. stock markets were struck Wednesday by the latest in a series of technical problems that have undermined investor confidence, as high order volume triggered unusual price swings in about 150 stocks.

周三，美国股市再次因技术问题受到影响。这是近来出现的一系列技术问题中最新的一起，这些问题削弱了投资者信心。大约有150只股票因大批下达的交易指令而出现价格异常波动现象。

Knight Capital Group Inc., one of the market's largest brokerages, said it was probing software problems and told clients to send their orders to other firms as a wave of orders shook the market and prompted exchanges to halt trading in some securities.

市场上最大的券商之一Knight Capital Group Inc.说它正在调查软件问题，并告知客户将交易指令发送到其它经纪商。一波集中涌来的交易指令让市场无法消化，并促使交易所暂停了某些证券的交易。

With some securities seen changing hands at 20 times their normal rate, the problems drew scrutiny from regulators already examining whether some other high-profile stock-market disruptions such as the initial public offering of Facebook Inc. and the 2010 flash crash have been driven by glitches in electronic-trading systems or by more-fundamental problems with the plumbing of financial markets.

由于某些证券的换手率是正常水平的20倍，这些问题引发了监管机构的审查。监管机构此前已经在针对Facebook Inc.的首次公开募股(IPO)以及2010年的股市闪电崩盘等导致股市交易中断的备受瞩目事件展开调查，看它们究竟是由电子交易系统的小故障造成的，还是由金融市场交易管道的一些更为根本性的问题所引发。

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