Futures contracts of crude palm oil ended over 1% lower on the Bursa Malaysia Derivatives on the back of a strong ringgit against the dollar. Firmness in the Malaysian currency makes palm oil more expensive for buyers holding other currencies. The most-active February contract of crude palm oil on the Malaysian bourse ended at 2,608 ringgits (41,064.22 rupees) per metric tonne, down 1.4% from the previous close.