Oil explorers in Iraq ’s Kurdistan region slumped in Oslo and London after Islamic militants seized two oilfields in Northern Iraq. DNO International ASA (DNO) , which gets most of its output from the Kurdish region, fell as much as 11 percent, the biggest drop in more than six months. Genel Energy Plc (GENL) sank as much as 6.6 percent and Gulf Keystone Petroleum Ltd. (GKP) as much as 3.1 percent. The Ain Zala and Batma oilfields, which together produce about 30,000 barrels a day, are under the control of the Islamic State, a breakaway al-Qaeda group, according to the state-run Northern Oil Co. The Sunni Islamist militants last month occupied the Qayyara oilfield north of Baghdad . Islamic State, previously known as Islamic State in Iraq and Levant, has seized territory in northern and western Iraq, taking over oil wells and fighting for control of refineries. Fighters continued […]