By Mayo Clinic Staff. Angina is a term used for chest pain caused by reduced blood flow to the heart muscle. Angina (an-JIE-nuh or AN-juh-nuh) is a symptom of coronary artery disease. Angina is typically described as squeezing, pressure, heaviness, tightness or pain in your chest.
For the first time since Microsoft shares began trading on a stock market in 1986, shareholders will receive an annual dividend of 16 cents per share. However, the firm also cut its revenue targets, and as a result Microsoft's share price took a tumble in after hours trading. On Friday the share price dropped 4.5% within minutes of market open.
Microsoft was founded in 1975 by childhood friends Bill Gates and Paul Allen. In 1980, the company launched Xenix, their operating system based off Unix. In 1984, Microsoft Windows launched. In 1986, the company headquarters were moved to Redmond, Washington where they remain today. The company also went public this same year. In 1990, Microsoft Office was launched. In 2000, Bill Gates was replaced as CEO by Steve Ballmer.