The Florida Republican senator also says Congress also won't fund a U.S. Embassy in Havana.
The president is set to announce the biggest change in the US policy toward Cuba in more than 50 years.
An unconfirmed rumor is sending McDonald's shares and options soaring.
Brent crude oil traded near $62 a barrel on Wednesday as U.S. data showed falling crude inventories, stemming deep losses brought on by a supply glut.
Stocks rose Wednesday as investors bet the Fed would continue to support the economy.
Mohamed El-Erian, former co-CEO and co-CIO at Pimco, believes the Fed will remove the "considerable period of time" phrase on interest rates.
Companies making headlines before the bell Wednesday:
Transaction volumes between the ruble and digital currency bitcoin enjoyed their biggest day of the year on Tuesday.
The president is set to announce a wide range of changes to the government's policy toward Cuba, according to a report.
U.S. stock index futures signaled a higher open as investors waited to see whether the oil price and market volatility will lead to a dovish Fed.
U.S. consumer prices recorded their biggest drop in nearly six years in November as gasoline prices tumbled.
Despite a backdrop of downward pressure on prices, don't expect any surprises from the Fed on Wednesday, Dennis Gartman told CNBC.
The oil and ruble meltdowns may be grabbing the headlines, but the real story behind the market swings is the Fed, market watcher James Paulsen tells CNBC.
Capital markets are the superpower in today's world, and they have Russia on its knees, Evercore Partners founder Roger Altman said.
The airline industry will reap the benefits of lower oil prices, which could fall to as low as $30 a barrel, according to Emirates Airline's CEO.
The ruble's volatility suggests that many traders and investors have been caught off guard by events in Russia.a.
Obamacare will shrink the gap between uninsured rates of different racial groups, but expanding Medicaid nationally would shrink the differences more.
Some of Tuesday's midday movers:
Sony Pictures is warning current and former employees about fraudsters who might be prowling to take advantage of leaked personal information.
Coca-Cola is dropping its sponsorship of Fox's "American Idol" show after a partnership spanning 13 years, Variety reported.