Euro Markets: EUAs post fourth weekly gain in a row as traders eye steady cut in funds’ short positions

European carbon prices registered their fourth successive weekly increase after eight losses at the start of the year, as some observers suggested the market was reverting to a familiar recent pattern of rising on Friday ahead of renewed weakness on the following Monday, and others eyed the steady reduction in investment funds' short positions and speculated whether the recent record bearish bets were in the process of being unwound.