The plunge of Facebook and Twitter shares in the last two days shows that both companies are hostages to investors’ unrealistic perceptions of how quickly they should grow even as they purge bots and trolls. Moving to eliminate all fake and malicious accounts, as well as making new ones very hard to register, would be scary given these inflated expectations. ...

Singapore’s banks should watch the fallout from the island’s healthcare-data breach. This could get ugly for them. The National Electronic Health Record project is taking a pause after hackers stole data on 1.5 million patients including Prime Minister Lee Hsien Loong, who was “specifically and repeatedly” targeted. Immediate repercussions for banks have already become obvious, with the Monetary Authority of ...

BP Plc’s return to the Permian basin comes via a splashy $10.5 billion deal. But the oil major is trying its utmost not to make waves — and with good reason. BP is buying the Permian position, along with assets in the Eagle Ford and Haynesville basins, from BHP Billiton Ltd. BP left the Permian back in 2010 in the ...