DAVOS, Switzerland (Reuters) – Evidence from Portugal suggests some companies in the euro zone have been able to increase profit margins at a rate that risks hampering efforts to bring inflation down, Portuguese central bank governor Mario Centeno said on Wednesday. “The numbers for Portugal are very clear: profit margins increased quite a bit in 2022,” Centeno, who sits on the European Central Bank’s rate-setting council, told Reuters on the sidelines of the World Economic Forum in Davos. “That is not sustainable, not only because that will have an impact on prices, but also on demand. So I t…