CORPORATE BOND RALLY SPARKS ‘BUBBLE’ FEARS A surge in corporate bonds has pushed yields on risky debt to historic lows, fueling concerns of bubble-like behavior. Strong demand, driven by expectations of a hot U.S. economy, has sent spreads on top-rated U.S. and European firms to pre-2008 lows, while riskier debt offers minimal extra return. Tech giants like Alphabet and Oracle are capitalizing with large bond sales, but some investors are cautious. Phoenix Group, for example, has trimmed corporate holdings, shifted to safer bonds, and moved up in quality to guard against a sudden market repricing.(*Walter Bloomberg)