As the global economy contends with the biggest growth slowdown in decades, an Invesco fund manager has flipped his positions. Alessio de Longis, a New York-based fund manager at the $1.3 billion Invesco Oppenheimer Global Allocation Fund, said he is now underweight traditional haven currencies -- including the yen and the Swiss franc -- which are overvalued relative to their peers. He’s considering adding more exposure to the euro, Canadian dollar, Swedish krona and Norwegian krone since those are likely to carry more upside potential when growth prospects pick up. These currencies may get a boost as central banks ... (full story)