January platinum PLF5, -1.16% fell $10.70, or 0.9%, to $1,231.50 an ounce, while March palladium PAH5, -0.64% shed $3.05, or 0.4%, to $816.55 an ounce.
High-grade copper for March delivery HGH5, +0.29% edged up a penny to $2.93 a pound.
Gold prices slipped for a third consecutive session on Friday but still notched a weekly gain of nearly 3%.
Gold for February delivery GCG5, -0.29% shed $3.10, or 0.3%, to settle at $1,222.50 an ounce, while March silver SIH5, -0.45% lost 6 cents, or 0.3%, to $17.06 an ounce.
Singapore shares finished higher on Friday with the benchmark Straits Times Index up 5.43 points to close at 3,324.13.
Volume was 1.24 billion shares worth S$1.07 billion.
Gainers outnumbered losers 199 to 178.