Brexit fears drive German bond yields to below zero

Strong demand for German sovereign bonds, known as "Bunds", caused prices to peak, in turn pushing their yields into negative territory for the first time ever. The 10-year German government bond is regarded as one of the safest investments and among the factors driving the current rally in Bund prices are concerns about the global economy, rock-bottom inflation expectations in the single currency area and fears about a possible "Brexit" with the British referendum on EU membership just 10 days