The slide in Iraq ’s dollar bond since June, when Islamic militants overran much of the country’s north, is being contained by rising oil revenue as exports increase in the south. The yield on Iraq’s January 2028 dollar security has jumped 109 basis points to 7.37 percent since tumbling to an 16-month low on June 9, according to data compiled by Bloomberg. The rate remains below this year’s high of 7.74 percent in February, and compares with a 30 basis-point increase in the JPMorgan Chase & Co. Emerging Markets Global Sovereign Bond Yield Index. While insurgents from the Islamic State, an al-Qaeda offshoot, have seized oil fields and are battling for control of two dams as they threaten Prime Minister Nouri Kamil Al-Maliki’s government, most of the nation’s production is flowing without interruption in the south. Crude sales rose 5 percent last month to 2.44 million barrels a day. […]