KUALA LUMPUR: Malaysian palm oil futures opened lower on Tuesday, snapping a four-session rally, as weaker Dalian oils weighed on the market, though stronger crude oil and Chicago soyoil capped the decline. The benchmark palm oil contract for June delivery on the Bursa Malaysia Derivatives Exchange slid 32 ringgit, or 0.69%, to 4,622 ringgit ($1,179.08) a metric ton in early trade.