South Korean drugmaker's value rises by $8 billion in 7 days
South Korean pharmaceutical firm Celltrion's market value has surged by $8 billion to $34.4 billion in just seven days. Celltrion has replaced South Korea's largest automaker Hyundai Motor to become the country's third-largest company by market capitalisation. Samsung Electronics is the most valuable company in South Korea with a market capitalisation of about $330 billion.