The premium of the most active COMEX copper futures over the LME benchmark fell to 26% from last week's 30% after Chile, the world's top supplier of the metal, said the U.S. copper tariffs would be discussed within broader trade talks in Washington this week.

U.S. President Donald Trump, dogged by questions about his ties to disgraced financier and sex offender Jeffrey Epstein, arrived in Scotland on Friday for some golf and bilateral talks that could yield a trade deal with the European Union.

Trump is set to visit Scotland, his mother's ancestral home, where he owns two golf courses, for a mix of business and pleasure. But some Scots are taking no pleasure.