Central banks, a key pillar of the bullish case for gold, have returned to adding holdings in April after notable selling in March sent the price of the precious metal tumbling

In April, central banks, led by Poland and China, reversed course to become net buyers of gold after March's sales.

Central banks, a key pillar of the bullish case for gold, have returned to adding holdings in April after notable selling in March sent the price of the precious metal tumbling