Euro Markets: EUAs slide as early boost gives way to profit-taking, while UKAs briefly hit nine-month high

European carbon prices ended Friday with a 0.5% weekly gain, after having opened sharply higher as energy prices also jumped on reports of an attack on infrastructure at the Sudzha gas transmission facility in western Russia, before falling back amid steady selling for much of the day, while UKAs briefly touched a nine-month high after yet another update that the UK government was considering linking to the EU ETS.