of were wiped off the value of the world’s after fresh about from China one of the falls in the price of iron ore on .

全球几家大型矿企的市值昨日蒸发了数十亿美元，原因是中国需求放缓再度引起担忧，导致铁矿石价格出现有记录以来最大跌幅之一。

iron ore into China 8.3 per cent to an 18-month low of $104.70 a tonne – its - one-day fall on – to the Steel Index price .

价格报告机构钢铁指数(Steel Index)数据显示，发往中国的基准铁矿石价格下跌了8.3%，至每吨104.7美元的18个月低位，创下有记录以来第二大单日跌幅。

Iron ore is the main used in steel and is to the of such as Anglo , BHP , Rio Tinto and Vale. They are of to meet for steel from .

铁矿石是用于炼钢的主要大宗商品，对于英美资源集团(Anglo )、必和必拓(BHP )、力拓(Rio Tinto)和淡水河谷(Vale)等矿企的盈利能力至关重要。这些矿企正投入数十亿美元扩大经营规模，以满足预期的中国建设项目对钢材的需求。

, if the iron ore price were to stay low for a of time, it would call into the of to of for .

然而，如果铁矿石价格持续徘徊在低位，矿企能否兑现承诺、为股东提供更高回报将成为疑问。

have been to the after years of as a new of chief a focus on than in big new . BHP and Rio, the two by value, last month held out the of and share as early as this year.

矿企数年表现偏弱之后，投资者此前对矿业板块态度回暖，因为新一代矿企首席执行官承诺将更加注重提高回报，而不是投资于大型新项目。上月，全球市值最大的两家矿企——必和必拓和力拓——承诺最早于今年提高股息，并可能实施股票回购。

at BMO iron ore to 58 per cent of the pre-tax made by the seven this year.

蒙特利尔银行资本市场(BMO )分析师预计，今年铁矿石对全球七大多元化矿企税前利润的贡献将达到58%。

“ that some may be able to cash to later this year are built on a iron ore price. for BHP and Rio, under $100 per tonne would cut the of a cash ,” said Tony , co-head of at BMO.

蒙特利尔银行资本市场矿业研究全球联合主管托尼•罗布森(Tony )说：“有些矿企今年晚些时候向股东返还现金的预期，建立在铁矿石价格维持在高位的基础上。对于必和必拓和力拓而言，如果铁矿石价格低于每吨100美元，向股东提供特别现金回报的几率肯定会大大降低。”

in BHP have 4 per cent in the past two , while Rio is down more than 5 per cent. Anglo , which is in iron ore in , has more than 7 per cent.

过去两个交易日里，必和必拓股价下跌近4%，而力拓股价下跌逾5%。正投资于巴西铁矿石项目的英美资源集团股价下跌逾7%。

The iron ore price has 22 per cent since the year’s start as fears about in China, which two- of the world’s iron ore, have . That has taken it into a bear , as a 20 per cent drop from a peak.

随着中国增长放缓引起的担忧加剧（中国消费量占到全球海运铁矿石的三分之二），铁矿石价格自今年初以来下跌了22%。这意味着铁矿石市场陷入熊市——价格比上一个峰值低20%即为熊市。

The drop in the iron ore price trade data and a fall in steel , which slid to a low. also said a 90,000 tonne cargo of iron ore for in May had at $104 a tonne. A for April had sold for $112.50 tonne on .

铁矿石价格突然下跌，源于中国发布令人失望的贸易数据，以及国内期钢价格跌至创纪录低位。交易员也表示，今年5月交货的9万吨基准澳大利亚铁矿石的价格为每吨104美元。而上周五，今年4月交货的数量差不多的澳大利亚铁矿石的价格为每吨112.50美元。

steel has been tepid since as has for the .

中国对钢材的需求自今年1月以来持续低迷，因为经济增长放缓抑制了对这种材料的需求。