CNBC | World Business News Leader

Check out the companies making headlines in midday trading:

Twitter laid out the framework for its new policy on political ads, which bans certain advertisers and has stricter rules for issue ads.

It's no secret that Warren Buffett's Berkshire Hathaway has had a lackluster couple of years. But 2019 is shaping up to be a rebound.

Lasry is the latest major Wall Street investor to warn about the damage the stock market could sustain in the event of a Sen. Elizabeth Warren victory.

The Atlanta Fed's GDPNow says growth is likely to come in at 0.3%. The New York Fed's GDP Nowcast is showing a gain of 0.4%.

The stock market has moved on virtually every U.S.-China trade headline for nearly two years.

United Airlines is following Southwest and American Airlines in delaying the return of the Boeing 737 Max on its flight schedules into early March.

The Gordon Haskett analyst who discovered Carl Icahn was investing in HP now says someone looks to be buying a stake in Netflix.

Google is facing multiple antitrust investigations and claims of bias from conservative lawmakers.

Roger Stone, a longtime friend and confidant of President Trump, is convicted of all counts for lying to Congress.

The House ethics committee on Thursday revealed separate probes into Florida Reps. Alcee Hastings and Ross Spano.

Lyft just landed a spot on J.P. Morgan's top internet picks list, alongside streaming company Netflix, e-commerce giant Amazon and tech titan Facebook.

The direct-to-consumer movement is "another megatrend starting," says Tim Armstrong, ex-CEO of AOL who started an online shopping disruptor.

House Intelligence Chairman Adam Schiff suggests that Trump's tweets are an attempt at "witness intimidation."

Asset managers including T. Rowe Price, Natixis and Fidelity have won the preliminary regulatory approval to launch nontransparent ETFs.

The economic fight between the U.S. and China could next blossom into a war over investing capital, hedge fund magnate Ray Dalio said Thursday.

CBS Sports reported that Bezos, 55, may be interested in acquiring an NFL team, and The Washington Post, which Bezos owns, said the billionaire "may or may not want to buy" the Seattle Seahawks.

President Trump and Democratic Gov. John Bel Edwards are taking credit for Louisiana's economy ahead of a key gubernatorial runoff.

Here are the biggest calls on Wall Street on Friday

Venice was hit with high water levels again on Friday, just days after the city was underwater in what was the lagoon city's worst flood in more than 50 years.