BlackRock's Mateos y Lago says she is cautious on Europe

STOCKHOLM (Reuters) - A fiscal policy that is constrained and a European Central Bank that is most likely doing too little too late are reasons to be cautious on investing in Europe, BlackRock's deputy head of official institutions group said on Thursday.A weakening euro zone economy, hurt by global trade tensions, has once again put the spotlight on what European policymakers can do to lift a sluggish economy."If the U.S. gets hit by a shock, the Fed will cut interest rates, we will have extra..