U.K. Prime Minister Boris Johnson is on pace to win the biggest Conservative Party majority since Margaret Thatcher, paving the way for Britain to exit the European Union as early as next month.

GE's improving fortunes under CEO Larry Culp have driven the stock more than 50% higher this year, and UBS analyst Markus Mittermaier thinks there are more gains to come.

Political and regulatory pressures, content moderation and developing fresh revenue sources are some of the key hurdles facing Facebook next year.