Over the course of 14 years at first Schroders and then Citi-group in London, Paolo Zani-boni climbed toward the top of the ladder as a securities analyst. The 38-year-old rose to become head of equity research for Central and Eastern Europe, the Middle East and Africa, and deputy head of overall European research at -Citi. But in June 2007 he left that high--powered job for a piece of the action in one of the world’s hottest markets, taking over as head of equity research at Troika Dialog in -Moscow.“Emerging markets are the exciting and challenging part of the world,” Zaniboni says. “There is -also the misconception that -global banks can ride out market problems because the outperforming businesses in their port-folios will support the underperforming ones, when in fact underperforming businesses can hold back investment or success in the outperforming segments. Picking the right firm geared to the right markets...