Shares of biotech company Nektar Therapeutics lost nearly half their value Monday after the company gave a clinical trial update that fell well short of investor expectations. The price of the S&P 500 component fell 41.8 percent Monday, down $37.78 from Friday’s closing price above $90. Nektar’s market cap, which …

David Paul Morris | Bloomberg | Getty Images Apple CEO Tim Cook speaks during the Worldwide Developers Conference in California, U.S., on June 5, 2017. Apple is holding its big annual developer conference, WWDC, on Monday, starting at 10AM PST. The keynote will be live-streamed through Apple’s website here. For …

Bobby Yip | Reuters People take part in a candlelight vigil to mark the 29th anniversary of the crackdown of pro-democracy movement at Beijing’s Tiananmen Square in 1989, at Victoria Park in Hong Kong, China June 4, 2018. Thousands of Hong Kong citizens held candles and paused for a moment’s …

Josh Edelson | AFP | Getty Images Apple CEO Tim Cook speaks at Apple’s Worldwide Developer Conference (WWDC) at the San Jose Convention Center in San Jose, California on Monday, June 4, 2018. Not all app makers are happy with the status quo at the company — something Apple may …

Buybacks specifically have been on a torrid pace and are helping provide a floor to a market that for much of 2018 had looked tired and volatile after a 20 percent S&P 500 gain the year before. Repurchases are up 83 percent year to date, far ahead of the 9 …

When it comes to proving the tangible benefits of the blockchain technology that many expect to change the world, it is still very early days and the earliest viable applications will likely be in supply chain management, rather than financial services, executives say. In fact, Cisco stopped researching blockchain applications …

Brendan McDermid | Reuters T-Mobile CEO John Legere (L) speaks as Sprint CEO Marcelo Claure looks on at the New York Stock Exchange, April 30, 2018. An official who could have a big say in whether Sprint Corp. and T-Mobile US Inc. can merge is keeping an open mind. Makan …

CNBC’s Jim Cramer said Monday that he is disappointed by the recent performance of pharmaceutical stocks, saying there should be far more deals in the health-care space. “Pharma companies have been among the worst performers,” said Cramer, whose charitable trust owns shares of pharmaceutical companies Allergan and Eli Lilly. “They …

Getty Images Facebook CEO Mark Zuckerberg speaks during the F8 Facebook Developers conference on May 1, 2018 in San Jose, California. Facebook on Sunday rejected claims by the New York Times that it had allowed Apple and other major device makers “deep” access to users’ personal data saying any such …

Getty Images Rory McIlroy of Northern Ireland plays his third shot to the seventh hole during the final round of the 96th PGA Championship at Valhalla Golf Club on August 10, 2014 in Louisville, Kentucky. Discovery, the owner of Animal Planet and the Discovery Channel, will invest more than $2 …