This is what you need to know before the bell:
Special Counsel Robert Mueller will investigate President Trump for possible obstruction of justice
Mueller is investigating alleged Russian interference in the 2016 U.S. presidential election
The Federal Reserve raised interest rates for the second time in three months
The Fed also decided to begin cutting its holdings of bonds and other securities this year
Sky & Virgin Media will work together to offer advertisers access to 30 million viewers in the U.K. and Ireland
The partnership will cover broadcast and on demand advertising
Qatar signs a $12 billion deal to buy F-15 jets from the U.S.
The deal was completed despite President Trump's recent criticism of the nation
The U.K. government will increase financial support for small start-ups and infrastructure projects
The plan is an attempt to help the country's economy as it leaves the European Union
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This article was written by a staff member of TheStreet.