Roller coaster markets not exactly a sign of good health

Today's slide deck: bit.ly/30LqbkVToday we look at the latest crazy gyrations in global equity markets that saw some of the major indices stepping back from the brink and look at possible drivers. We also take a look at the latest Fed move to expand its menu of corporate bond purchases, run through key commodity market and FX developments and more. Today with Peter Garnry on equities, Ole Hansen on commodities and John J. Hardy on FX.