The ruble ended five days of losses as the Bank of Russia said it was stopping daily purchases of foreign exchange, signaling policy makers don’t want to add impetus to the currency’s decline before an interest-rate decision this week. While the ruble strengthened as much as 1.4 percent after the central bank said it was suspending a program of buying as much as $200 million daily, the exchange rate quickly gave up most of those gains as Brent crude slid toward a six-month low. The move by the Bank of Russia followed a five-day rout that almost ended this year’s appreciation and weakened the ruble beyond 60 to the dollar for the first time since March. “The ruble pushing above 60 was a tipping point,” Daniel Hewitt, an analyst at Barclays Capital Plc in London, said by e-mail. “Foreign-currency purchases were using up foreign exchange available on the market […]