Precious metals mostly increased on Monday session with silver heading towards the longest winning streak since 1968 after a government report showed that China's bank lending rose spurring demand for commodities. Silver for February delivery gained 2.2% to $21.9791 an ounce, platinum jumped 0.5% to $1,434.25 an ounce and palladium added 0.6% to $742 an ounce.