“In my career, it’s unprecedented,” said John Reade, a market veteran and chief strategist at the World Gold Council.

Silver rose for a sixth session, building on a 10% gain on Friday that was its biggest one-day jump since 2008.

Gold prices rebounded on Tuesday from the previous session's near two-week low, as buyers of the safe-haven metal returned following a brief spell of profit-taking.

The price of gold soared by more than 60% this year to hit a record high of more than $4,549.

The moves come at the end of a blockbuster year of annual gains for the precious metals.

“In my career, it’s unprecedented,” said John Reade, a market veteran and chief strategist at the World Gold Council.