Company Performance: Samsung Biologics' financial health, including revenue, profitability, and debt levels, greatly influences its stock price. Strong earnings reports typically lead to price increases.

Industry Trends: The overall health and growth prospects of the biopharmaceutical industry, particularly in areas like biosimilars and contract manufacturing, affect investor sentiment towards Samsung Biologics.

Regulatory Environment: Changes in regulations related to drug development, approval processes, or healthcare policies can impact the company's operations and profitability, thus affecting its stock price.

Market Sentiment: General investor optimism or pessimism towards the stock market and specific sectors can cause fluctuations in Samsung Biologics' stock price, regardless of its fundamentals.

Competition: The competitive landscape in the biopharmaceutical industry, including the emergence of new players or strategies from existing competitors, can influence Samsung Biologics' market share and stock price.

Global Economic Conditions: Macroeconomic factors such as interest rates, inflation, and economic growth can affect overall investment activity and impact the valuation of companies like Samsung Biologics.

News & Events: Company-specific news, such as new product launches, clinical trial results, or significant partnerships, can trigger immediate reactions in the stock price.

Analyst Ratings: Recommendations from financial analysts can influence investor perception and trading activity, leading to price movements.

Dividend Policy: While Samsung Biologics may not be known for high dividends, any changes to its dividend policy can influence investor appeal and stock price.

Currency Exchange Rates: Fluctuations in the Korean Won against other currencies, especially the US Dollar, can impact Samsung Biologics' earnings from international operations and its stock price.