Pound being pounded?

Sterling declined 0.1 percent to $1.5562, and weakened 0.1 percent to 85.97 pence per euro.

Turkey’s and Russia’s central banks separately intervened in the currency market this week in an effort to prop up their currencies.

The Turkish central bank has sold $1.3 billion for liras this week and offered a further $750 million in a daily auction yesterday. The lira has dropped 16 percent against the dollar this year, making it the second-worst performer among 25 emerging-market currencies tracked by Bloomberg after South Africa’s rand.

Bank Rossii sold about $6.8 billion and 591 million euros ($796 million) of its foreign-currency reserves in September, the central bank said on its website yesterday.

The ruble dropped 0.5 percent to 32.3443 per dollar, falling for a sixth straight week. It touched 32.8935 on Oct. 4, the weakest since August 2009.