Euro Markets: EUAs snap four-day winning streak after reaching new 12-day high as sellers return

European carbon prices snapped a four-day rally after rising to their highest in 12 weeks in the morning amid an increase in buying interest with coal-fired power continuing to make inroads into gas' share of the EU generation mix, before dropping back to record a loss as the failure to breach a key psychological level encouraged sellers to re-enter the market later in the day.