Principal Knowledge Center

The latest insights from our experts on attitudes, behaviors and trends that impact long-term financial security. Thought leaders from across the globe provide data analysis, research and perspective on the economy, investment management, retirement security and more. 

  • Goodbye, deflation?

  • A trigger, an accelerant, and the fundamentals

  • What caused the fall?

  • Our thoughts on recent market events

  • The sweet spot

  • The final indignity