In India, you don’t really exist till you’re on the right WhatsApp groups. It’s on those private chat rooms that political campaigns are sharpest; where India’s sprawling extended families quarrel and make decisions; and, according to a recent Reuters investigation, where company quarterly results are predicted with surprising prescience. There’s no proof of insider trading yet, but officials from the …

As the US Justice Department tries to block AT&T Inc.’s $109 billion purchase of media giant Time Warner Inc., Time Warner seems to be bearing the brunt of investors’ apprehension. But if regulators get their way, it’s AT&T they should be more worried about. The DOJ on Monday sued to block the wireless carrier’s takeover of Time Warner, saying it …

About a third of the customers queuing at La Maison du Bitcoin’s teller windows in Paris aren’t speculating on the value of the cryptocurrency. They’re sending digital money home to Africa. “In many countries in Africa, there are far more cellphones than bank accounts,” said La Maison co-founder Manuel Valente. “For bitcoin, all you need is a phone.” Zimbabwe, where …