Company Performance: Positive earnings reports or successful product launches typically boost the stock price. Conversely, poor financial results or product failures can lead to price declines.

Market Sentiment: Overall investor confidence and the general mood of the market significantly impact stock prices. Positive sentiment usually drives prices up, while negative sentiment pushes them down.

Industry Trends: The performance and growth prospects of the broader pharmaceutical industry can affect individual stock prices. Positive industry trends typically support higher valuations.

Economic Conditions: Macroeconomic factors like interest rates, inflation, and economic growth influence investor decisions and stock valuations. Strong economic conditions generally support higher stock prices.

Regulatory Environment: Changes in pharmaceutical regulations, drug pricing policies, or patent laws can significantly impact the profitability and outlook of pharmaceutical companies, influencing their stock prices.