KEY POINTS
  • Last week, the VIX spiked more than 16% to its highest point since May, as markets digested a surprisingly hawkish turn from the U.S. Federal Reserve.
  • Monday's choppy trade also played out in Asia, where Japan's Nikkei 225 closed 3.3% down.
Traders look on as a screen shows Federal Reserve Chairman Jerome Powell's news conference after the U.S. Federal Reserve interest rates announcement on the floor of the New York Stock Exchange (NYSE) in New York, U.S., July 31, 2019.

LONDON — Volatility is back for global stock markets, triggered by uncertainty over central banks' plans for monetary policy and rising Covid-19 cases around the world.

The VIX volatility index, a real-time measure of volatility expectations over the next 30 days, inched lower on Monday. Last week, the VIX spiked more than 16% to its highest point since May, as markets digested a surprisingly hawkish turn from the U.S. Federal Reserve.