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Justice department opens investigation into Jerome Powell as Trump ramps up campaign against Federal Reserve

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The independence and credibility of America’s central bank is under threat after the Department of Justice opened a criminal investigation into Federal Reserve chair Jerome Powell, knocking the US dollar.

In a startling development, US prosecutors have launched a criminal investigation into Powell over a $2.5bn renovation of the Federal Reserve’s headquarters, and into his testimony about the project to the Senate banking committee in June last year.