Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world. Chris Rokos, a star money maker at his former employer Brevan Howard Asset Management, raised more than $500 million from Blackstone Group for his new hedge fund firm, according to two people familiar with the transaction. Rokos, who started London-based Rokos Capital Management a month ago, currently oversees more than $1 billion, including about $500 million of his own wealth. He is looking to grow his fund, which bets on macro-economic...