Gold edged up on Wednesday as the euro steadied against the US dollar, while platinum extended gains to its highest in three weeks on expectations that demand could exceed supply this year due to falling output in South Africa. Gold had risen $3.25 to $1,728.14 an ounce by 0658 GMT but was still below a 3-week peak around $1,738 struck on Friday. US gold futures for December added $3.80 an ounce to $1,728.60.
Platinum climbed to $1,597.50, its strongest since October 23, and was at $1,590.30 an ounce by 0658 GMT. Sister metal palladium marked its strongest since October 18 at $647.22.