August gold was up $10.20, or 7 percent, to $1,589.10 on the Comex division of the New York Mercantile Exchange.
Volumes were lower on quiet holiday season trading in Europe.
Silver was up, with September silver at $27.44, up 52.4 cents.
The euro was $1.2318 late Monday from $1.2288 late Friday. Against the yen, the dollar fell to 79.57 yen from 79.66 yen.
The pound was $1.5528 from $1.5527.
The Intercontinental Exchange Dollar Index was down slightly at 83.11.
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