Then there's silver, which often takes its cue from gold.
Silver for December delivery climbed as high as $8.50 an ounce Thursday, the highest futures price since mid-2004.
Silver has "the greatest potential for gain," said Paul Mladjenovic, a New Jersey-based certified financial planner at PM Financial Services.
Silver can "easily go down 50 to 75 cents in a few days since a "handful of large firms have performed egregious shorting through paper trading that has artificially depressed the price of silver," he said.
Silver is 'the safe haven for people who can't afford gold, and there's about 1 billion of them in India.'
Sean Brodrick, Weiss' Money and Markets
But "due to the very acute physical supply situation, silver can easily have an explosive upside, especially due to increased industrial demand" from China and India, said Mladjenovic. See Commodities Corner column on silver.
Silver is "the safe haven for people who can't afford gold, and there's about 1 billion of them in India," said Brodrick.
Indeed, silver prices could reach as high as $11 by the end of the year, predicted National Futures' Person. "This holiday seems to be a big electronics season, [and] silver demand is on the rise due to that."