Euro zone officials are ready to let Croatia and Bulgaria into the ERM-2 mechanism, a preliminary stage for adopting the euro as their currency in the next three years, four sources told Reuters. The move would pave the way for the first enlargement of the euro zone since 2015, when Lithuania joined the currency bloc, which now has 19 members. European officials said a decision was imminent after a final backing from euro zone and EU finance ministers, who hold video conferences later on Thursday and Friday.Two sources said the decision was likely to be announced outside market hours, probably during the weekend, to ... (full story)