US investors are grappling with the nascent rise of populism and policy proposals that could reverse pro-growth programs that are in place. According to JPMorgan, populism is a paradigm shift that is powerful enough to shape markets for years to come. We spoke to John Normand, JPMorgan's head of cross-asset fundamental strategy, about the risk scenarios in the US, and how investors can prepare for what happens next. Visit Business Insider's homepage for more stories. Socialism, in the variety of ways it's understood, has recently become a staple of the US political cycle.