Commodities Update — Gold inches up; Wheat at one-week high; Copper retreats

RIYADH: Gold was marginally up on Friday, as the dollar clung to its 20-year peak, setting prices on course for their biggest weekly drop in eight by driving down demand for bullion. 

Spot gold inched up 0.1 percent at $1,744.07 per ounce by 0323 GMT. 

US gold futures were flat at $1,739.70.

Silver down

Spot silver dipped 0.3 percent to $19.28 per ounce, and platinum firmed 0.1 percent to $874.50, but both were set for weekly losses. 

Palladium climbed 0.6 percent to $2,002.50, and has gained about 2 percent for the week.