Gold prices edged up on Tuesday, helped by a slight pullback in the U.S. dollar, which makes the greenback-priced bullion less expensive for buyers holding other currencies.
Spot gold was up 0.4% at $1,775.69 per ounce as of 0224 GMT. U.S. gold futures rose 0.3% to $1,787.10.
The dollar index was down...
