NEW YORK—Gold prices rose, but other precious metals and agricultural commodities dropped Friday as Wall Street added to its gains this week, while oil prices were mostly flat.

Commodities prices have correlated strongly with equities in recent weeks, as the buck and Treasurys lured spooked investors from stocks and commodities. Markets are afraid that a weak economy will curb demand for raw materials needed for industry and consumer goods.

But Wall Street finished its week up sharply, in its biggest five-day rally in more than 75 years. The Dow Jones industrials and th...

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