ablokhin / Getty Images Global fund managers are more bullish than they've been in years by many measures, according to a recent BofA suvery. Key Takeaways Bank of America's Bull & Bear Indictor rose last week to within a tenth of a point from flashing "sell," a sign that high expectations and aggressive investor positioning could pressure stocks in the coming months. The indicator has sent two sell signals this year, but neither preceded a prolonged stock slump. Professional money managers are fee ...