Vermont Senator Bernie Sanders, the 2016 Democratic primary runner-up, joins the 2020 presidential race.
Walmart stock surges after the company reports its best holiday quarter in years.
Trump officially directs Pentagon to create Space Force legislation for Congress.
McKinsey settles alleged bankruptcy abuses for $15 million.
Carl Icahn urges Caesars Entertainment to sell itself.
Honda is closing its only British factory, wiping out 3,500 jobs.
Google acquires cloud migration platform Alooma.
American ISIS bride Hoda Muthana, from Alabama, wants to return and face U.S. justice.
Karl Lagerfeld, iconic Chanel fashion designer, dies.