Open this photo in gallery: Foreign equities make up more than half of the world’s securities and they offer value and growth potential, Lipper Award-winning managers say.Getty Images The world can be a scary place for investors and, for more than a decade, that perspective has held sway as U.S. markets have outperformed overseas stock indices. Whether the U.S. markets’ dominance continues or not, there is a strong argument for more foreign diversification as Canadians are notoriously overinvested in their home country. Add in the prospect that you may be buying at the bottom of a 10- to 15-year trough…