International investors are wondering what will be the fallout of the corruption accusations against Prince Alwaleed bin Talal bin Abdulaziz al-Saud, one of the world's wealthiest entrepreneurs and a cousin of Saudi Crown Prince Mohammed bin Salman. Bin Talal's Kingdom Holding Company manages more than $12.5 billion in investments across 13 distinct sectors worldwide, according to its website. In addition, the prince, one of Twitter's top five shareholders, invested $300 million in the social media platform in 2011 and holds stakes in Apple Inc., Citigroup Inc. and the Walt Disney Co, as well. But bin Talal, whom Forbes calls one of the world's most intelligent and creative investors, is famous not only for his investments in banking, real estate and media. He is also renowned as a philanthropic mogul, and his arrest sent shock waves through that powerful and prestigious amalgam of public and private sectors....