Underpinning price gains for all of these metals have been huge inflows into exchange-traded funds (ETFs) as investors sought sanctuary from the credit crisis in physical assets.

• 随着急于逃避信贷危机的投资者在实物资产中寻找避风港，资金大量流入以贵金属为基础资产的交易所交易基金(ETF)，为所有这些金属的涨幅提供了支撑。