Petronas-related stocks slid following concerns over Petronas’ subsidiary Petronas Carigali Sdn Bhd’s (PCSB) operations in Sarawak.

At 12.30pm, Petronas Dagangan Bhd’s (PetDag) share price lost eight sen to RM19.66 with 64,300 shares changing hands, Petronas Gas Bhd’s (PetGas) share price fell 28 sen to RM17.22 on a volume of 91,500 shares, while...