Review the business model
Understand the industry and market position
Check revenue growth trends
Check earnings growth trends
Analyze profit margins
Review cash flow statements
Examine balance sheet strength
Compare debt levels to equity and cash
Assess return on equity
Assess return on invested capital
Evaluate valuation ratios
Compare valuation with peers
Study management quality
Review competitive advantages
Analyze customer concentration
Check insider buying and selling
Review institutional ownership
Study historical stock performance
Examine dividend history
Review share dilution or buybacks
Check earnings reports and guidance
Monitor analyst estimates and revisions
Assess macroeconomic and sector risks
Review regulatory and legal risks
Track news and major company events
