U.S. drugstore chain operator CVS Health Corp (CVS.N) said on Sunday it had agreed to acquire U.S. health insurer Aetna Inc (AET.N) for $69 billion, seeking to tackle soaring healthcare spending through lower-cost medical services in pharmacies. This year’s largest corporate...

Amazon.com Inc this week announced a flurry of new machine learning features for its Amazon Web Services cloud computing business, raising its challenge to Silicon Valley’s biggest tech firms for the lead in artificial intelligence. The new offerings will enable AWS customers to...

Virtual currency bitcoin soared to an all-time high above $10,000 on Tuesday on major exchanges and digital currency indexes, including the widely followed Luxembourg-based trading platform BitStamp. Created in 2009, bitcoin uses encryption and a blockchain database that enables the...

 OPEC is heading for tougher-than-expected policy talks this week amid concern that its efforts to rebalance the oil market might overshoot by creating a global deficit and spurring a further price rally. “It will not be an easy meeting and we always look at various scenarios,”...