4.周三全球最大白银ETF--iSharesSilverTrust持仓较上日增加38.12吨,当前持仓量为9806.03吨。
Globalelectricitygenerationfromwindandsolarwas23percentin2015,andthankstoincreasesinwind-andsolar-generatingcapacity,thatnumberisexpectedtogrowto30percentby2020.