The ruble strengthened the most in almost four weeks as oil and other emerging-market currencies climbed while Rabobank said it may be premature to expect further gains. The Russian currency rose 1.1 percent to 78.430 against the dollar by 1:10 p.m. in Moscow after closing on Monday at 79.29, near a historical low of 80.10. Brent crude advanced 2.8 percent to $29.35 per barrel, climbing from the weakest in 12 years while a gauge of emerging-market currencies increased the most against the dollar since Dec. 23. Russian government debt rallied for the first time in seven days. The ruble is the second-worst performer in emerging markets this year, threatening to rekindle inflation, as collapsing crude prices weigh on budget revenue. The currency’s 14-day relative strength index has traded under 30, the threshold that signals to some analysts that an asset is oversold, since Jan. 5. “Given that oil prices […]