The battered ruble fell toward record lows against the dollar again Tuesday, just hours after the Russian central bank’s surprise move overnight to jack up interest rates to 17%, as investors worried that the rate rise wouldn’t be enough to alleviate the pressure on the currency from falling oil prices and western sanctions. The ruble rallied briefly in early trade—reaching less than 59 a dollar—but fell back into negative territory less than two hours after trading began Tuesday, slipping below the 64.44 level at which the Moscow Exchange had limited trading late Monday after the Russian currency lost more than 10% of its value. Traders said there was no indication yet that the central bank was intervening with sales of foreign currency, even as the dollar tested the record level of 67 rubles briefly. With crude oil prices falling further Tuesday, pressure seemed to build on the ruble […]