Even the most hard-core stock pickers on Wall Street watch out for big picture events that can move markets. But which macro events matter most? Fed “tapering”? The slowdown in China? The housing recovery? Two investment research stars will be exclusively on WEALTHTRACK this week: Nancy Lazar and François Trahan both left their previous firms to become founding partners in Cornerstone Macro, devoted solely to macro economics, policy and strategy. What they identify as the next emerging market will surprise you!