Bloomberg HSBC Holdings Plc froze an account linked to an alleged fraud that siphoned about $500 million from Angolan state coffers, according to a person briefed on the matter. A large transfer raised suspicions at the bank, prompting it to alert UK authorities at least weeks ago, the person said, asking not to be identified discussing confidential information. Britain’s National …

Bloomberg Getting your head around cryptocurrencies was hard enough before governments got involved. But now that policy makers around the world are drawing up fresh regulations on everything from exchanges to initial coin offerings, keeping track of what’s legal has become just as daunting as figuring out which newfangled token might turn into the next Bitcoin. The rules can vary …

Bloomberg India is selling a controlling stake in its flagship carrier along with two-thirds of the loss-making airline’s about $7.8 billion debt, as Prime Minister Narendra Modi moves ahead with the nation’s most high profile asset sale in decades. The government will sell 76 percent of Air India Ltd., according to a document uploaded on the civil aviation ministry’s website …