Pfizer to buy 9.9% stake in HK-listed CStone Pharma for $200m

Pfizer to buy 9.9% stake in HK-listed CStone Pharma for $200m

A company logo is seen through branches at a Pfizer office in Dublin, Ireland November 24, 2015. REUTERS/Cathal McNaughton

CStone Pharmaceuticals said on Wednesday a unit of Pfizer Inc had agreed to buy a 9.9% stake for HK$1.55 billion ($200 million), as the Hong Kong-listed biopharmaceutical firm seeks to improve the commercialisation of its products.

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