Company Performance: Revenue, profit margins, and earnings growth significantly impact investor confidence and stock price.

Regulatory Changes: New drug regulations, pricing controls, or import/export policies affect Sun Pharma's operational costs and market access.

Drug Approvals: Successful launches of new drugs or gaining approvals for existing drugs in new markets drive revenue projections and stock value.

Competition: The emergence of new competitors or generic versions of Sun Pharma's key drugs can erode market share and lower prices.

Economic Conditions: Overall economic growth, inflation, and interest rates influence investment decisions and market sentiment toward pharmaceutical stocks.

Global Health Crises: Pandemics or disease outbreaks may affect supply chains, drug demand, and investor risk aversion.

Mergers & Acquisitions: Sun Pharma's acquisition of other companies or potential takeover bids can cause stock price fluctuations.

Investor Sentiment: General market optimism or pessimism, analyst recommendations, and news reports all play a role in buying or selling pressure.