Euro Markets: EUAs wipe out early gains, erase week’s increase as COT data shows funds building net length

EUA prices wiped out all this week's gains on Wednesday after earlier climbing to their highest in five weeks, as position data showed investment funds had boosted their net long position to the most in more than three months, while natural gas prices continued to gyrate, gaining as much as 5.2% before also plunging to settle 10% down on the day.