[KUALA LUMPUR] Shares in some of Malaysia's Petroliam Nasional Bhd's (Petronas) listed units gave up early gains on Tuesday as a broad sell-off took the shine off Prime Minister Najib Razak's appointment of company veteran Wan Zulkiflee Wan Ariffin as the state-owned oil firm's new chief executive.

At 0130 GMT, shares in Petronas' chemical arm, Petronas Chemical Group Bhd were 0.95 per cent lower, while Petronas Gas Bhd remained unchanged. Petrol stations operator Petronas Dagangan Bhd shed 1.6 per cent.

The benchmark stock index was 0.12 per cent lower.

REUTERS