8. Apple ( AAPL) designs, manufactures and markets personal computers, mobile communication devices, portable digital music players and sells a variety of related software, services, peripherals and networking solutions. The company's products line includes Macintosh computers, the iPhone, iPad, iPod and Apple TV, among others. During the second quarter of 2011, the company's revenue increased to $24.7 billion from $13.5 billion in the year-ago quarter. Net profit was $6 billion as against $3.1 billion in the second quarter of 2010. However, gross margin for the quarter was 41.4%, compared to 41.7% for the same period last year. International sales accounted for three-fifths of the company's revenue during the quarter. iPhones saw the fastest growth during the quarter, the company sold 18.65 million devices, representing 113% growth compared to the same period last year. Another strong segment was Macs, growing at 28%, while iPods saw a 17% decline during this period. The management guides third quarter revenue at $23 billion and earnings per share at $5.03. The stock is trading at 14.3 times its expected 2011 earnings and is likely to return 30% over the next one year.