BBC: Russia's central bank increased its key interest rate to 13% from 12% in an attempt to help stop currency losses.
The rouble headed for its largest weekly fall in five years, and has fallen approximately 1.9% this week.
For the second time this week, Bank Rossii, the country's central bank, widened the rouble's trading band by about 1% or 30 kopeks.
Russia's has spent $148bn (£96.4bn) of its foreign currency reserves since August to stop a fall of the rouble.
The central banks aims to keep the rouble stable against a two-currency basket that is made up of 55% US dollars and 45% euros. Against the dollar, it is down 16% since August. >>> | November 28, 2008
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