Marco Rubio and Ted Cruz, fighting for their political lives, relentlessly baited and insulted Donald Trump at Thursday night's debate, all but pleading with Republicans to abandon the front-runner. But Trump's rivals indicated they would support him if he became the GOP nominee, in sharp contest to 2012 GOP nominee Mitt Romney's Trump takedown earlier Thursday. (NY Times)
During the debate, Trump responded to Rubio's remark about the real estate tycoon having small hands and the implication that other parts of his anatomy may be similarly small. "I guarantee you, there's no problem," Trump emphasized. (NY Times)
One-percenters would see a $78,000 tax hike under a plan from Hillary Clinton, according to the nonpartisan Tax Policy Center. It also said the proposal from the Democratic presidential front-runner would generate $1 trillion in additional revenue for the government. (CNBC)
North Korean leader Kim Jong Un has ordered his country to be ready to use its nuclear weapons at any time and to turn its military posture to "pre-emptive attack" mode in the face of growing threats from its enemies, official media reported. (Reuters)
As expected, federal prosecutors have moved to dismiss the indictment of Chesapeake Energy (CHK) founder Aubrey McClendon. They said dropping the case "would best meet the ends of justice." The motion filed Thursday came a day after McClendon died in a fiery one-car crash. (CNBC)
Amazon (AMZN) has dropped an encryption feature in software for its Fire tablet devices, saying it was not popular with customers. Amazon's move has come to light at a time when Apple is fighting a high profile legal battle against the FBI in support of encryption. (TechCrunch)
Facebook (FB) is overhauling its U.K. tax structure and will pay "millions of pounds" more to the British treasury, according to the BBC. The social network will no longer route sales through Ireland for its largest advertisers.
Snapchat has raised $175 million in new venture funding from Fidelity at the same $16 billion valuation it raised in May. That means the disappearing message service has now raised around $1.4 billion in total. (WSJ & Re/code)
Carmike Cinemas (CKEC) agreed to be bought by AMC Entertainment (AMC) for $30 per share, or $1.1 billion including assumption of debt. The price is a 20 percent premium to the movie theater operator's Thursday closing price.
The fourth season of "House of Cards" is out on Netflix (NFLX). Shares of Netflix hit an all-time high in December, but were down early 15 percent this year. "Fuller House," a 13-episode spinoff series of sitcom "Full House," debuted on Netflix last week. (CNBC)