Inpex Holdings Inc said Wednesday it will purchase a 35% stake in an oil and natural gas mining block in Suriname from Denmark''s Maersk Oil and Gas AS, Japan media reported today. Inpex said the 13,860-square-kilometre area, called Block 31, in the Guyana Basin off the northern coast of South America is recognised as having all the essential elements of a major hydrocarbon basin and promises to yield good quantities of petroleum and natural gas. Inpex shares closed unchanged at 1 million yen Tokyo.

Isuzu Motors Ltd and General Motors Corp said Wednesday they had signed a memorandum of understanding aimed at buttressing co-operation in the selling of trucks in Colombia, Venezuela and Ecuador. The firms said they were also studying the possibility of establishing a joint venture in the Andean region. Isuzu Motors finished up 2.34%.