Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Marshall Hargrave is a stock analyst and writer with 10+ years of experience covering stocks and markets, as well as analyzing and valuing companies. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an ...

For the first half of the twentieth century, Sudan was a joint protectorate of Egypt and the United Kingdom, known as the Anglo-Egyptian Condominium. Egypt and the United Kingdom signed a treaty ...