China buys Nexen
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China wins bid for Canada's Nexen

China is making its biggest-ever energy acquisition through the purchase of Canadian oil company Nexen.

State-owned CNOOC is making China's biggest-ever energy acquisition through the purchase of Canadian oil company Nexen.

Separately, the Canadian government also gave the green light for Malaysia's Petronas to buy gas producer Progress Energy after an initial rejection.

Leisha Chi reports.