The ruble strengthened for the first time in six days as crude oil rebounded and investors bet on a pause in the Bank of Russia’s rate-cutting cycle. Equipment failure on the main bourse in Moscow knocked out currency, stocks and bond trading for two hours. The Moscow Exchange switched to backup systems after the shutdown at about 3 p.m. in Moscow, the latest in a string of interruptions this year. When trading resumed, the ruble continued its advance, appreciating 1.6 percent to 68.0490 against the dollar by 7:15 p.m. in Moscow, the biggest rally among emerging markets tracked by Bloomberg. Oil surged 4 percent in London, helping lift the Micex index of stocks to a second day of gains. The ruble is getting some relief as the biggest currency slump in emerging markets this quarter raises the odds that Bank of Russia Governor Elvira Nabiullina will end a string […]