KEY POINTS
  • The Economic Policy Uncertainty Index, which  measures policy-related uncertainty around the world, is hovering at an all-time-high.
  • The EPU Index tracks the amount of times newspaper articles use buzzwords related to economic and political uncertainty. Tracking began in the 1990s.
  • "Uncertainty is the enemy of the business cycle," Morgan Stanley's Chetan Ahya says in a note to clients, and "uncertainty still reigns."
President Donald J. Trump listens during a meeting on Fentanyl and the opioid epidemic in the Oval Office at the White House on Tuesday, June 25, 2019 in Washington, DC.

What will happen next with the global economy and how governments will respond is troubling Wall Street as investors and economists chase a moving target of trade wars and monetary policy shifts.

An index designed to measure policy-related uncertainty around the world is hovering at its highest level ever. The Economic Policy Uncertainty Index hit its second-highest level, 340, in June. It spiked to 341 at the end of last year when the market suffered its worst December since the Great Depression amid the intensified U.S.-China trade war and an ill-advised rate increase from the Federal Reserve, with the major stock averages briefly dipping into bear market territory.