Colin Dwyer

In an unusual step, President Trump has signed an executive order blocking Broadcom's $117 billion bid to buy Qualcomm. The order released Monday cited "credible evidence" that led Trump to believe the Singapore-based Broadcom, in purchasing America's largest mobile chipmaker, "might take action that threatens to impair the national security of the United States."

Editor's Note: This post contains graphic descriptions that some may find disturbing.

Peter Madsen, the Danish inventor accused of murdering a Swedish journalist aboard his private submarine, pleaded not guilty to the charge Thursday at the start of his trial. The opening comments marked a new phase for a gruesome case that has for months drawn investigation and intense international attention.

Late at night, in the gathered shadows of your bedroom, you may have heard it. Or, perhaps you heard it over breakfast with your family in the kitchen, the sound rising unbidden from over your shoulder in a corner of the room you had thought — and now, desperately wish — to be empty.

Laughter. Quick, inhuman laughter.

At least, that's what Amazon Echo owners say they've been hearing lately. In recent weeks, many of them have hit social media saying their smart speakers have been laughing spontaneously, unprompted by commands.

Updated at 4 p.m. ET

When President Trump pulled the U.S. from the Trans-Pacific Partnership, spurning the massive free trade agreement in one of his first acts in the Oval Office, most analysts figured the deal was dead.

Updated at 2:30 p.m. ET

After more than a week of shuttered classrooms, the teacher strike in West Virginia is set to come to an end.

The state's governor and teachers union announced Tuesday they had reached a deal to implement a 5 percent raise for state employees across the board. And a little later in the day, lawmakers passed the measure with a unanimous vote.

Gov. Jim Justice is expected to quickly sign the deal.