1045 GMT - Palm oil prices ended lower on weakness in the Chicago soybean oil market as well as lower crude oil prices, says David Ng, a trader at Kuala Lumpur-based Iceberg X. Ng sees support at 4,800 ringgit a ton and resistance at 4,950 ringgit a ton. The Bursa Malaysia Derivatives contract for June delivery ended 41 ringgit lower to 4,857 ringgit a ton.