August 14, 2017 -- Nervous investors bought gold and silver last week as conflict with nuclear-armed North Korea suddenly became a real possibility. North Korean dictator Kim Jong-un and President Donald Trump exchanged stern rhetoric.

Mounting tensions there are likely to command investors' attention again this week.

Last week's safe haven buying certainly improved the technical outlook for the metals. Gold and silver both closed above minor resistance levels but haven't yet advanced out of their major trading ranges. When they do, the path will clear for some additional gains.

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