Apple is one of the largest and most successful companies in the world. Its brand and products are recognised and used by billions of people globally, and its market dominance looks set to continue for many years to come. At the same time, no company, no matter how successful, is 100% risk-free. The risk I’m referring to is not the volatility in stock prices, but the key risks that could potentially affect a company’s business fundamentals and its ability to generate profit in the short or long term. Here are four key risks that could cripple Apple’s business.