Swiss franc – what the economists say
What the experts are saying about the Swiss National Bank’s decision to abandon the currency cap
Analysis
Are lab-grown gems the key to a sustainable diamond trade?
Long plagued by ethical and environmental abuses, the diamond mining industry now faces a new challenge: safe, sustainable man-made gems
Your ultimate guide to the Federal Reserve
As Janet Yellen faces her confirmation hearing, Heidi Moore breaks down everything you need to know about the Fed