VANESSA KORTEKAAS: Welcome to First FT. Here are today's top stories. James Mattis, the US Defence Secretary, has warned North Korea that Washington would respond to the use of nuclear weapons with effective and overwhelming force. Mr. Mattis was speaking in Seoul on his first overseas trip, where he stressed the US was committed to defending his Asia-Pacific allies.
This comes after [? Pyongyang ?] caused alarmed by testing two nuclear devices and 20 ballistic missiles last year. President Donald Trump is set to sign an executive order that will fulfil a campaign pledge to begin dismantling the Dodd-Frank reforms, which reshape the US banking sector in the aftermath of the financial crisis. Republicans in Congress argue the law has constricted banks ability to do business, while Democrats say it's crucial to financial stability and consumer protection.
And Snap, the owner of Snaphat is trying to raise $3 billion in an initial public offering that could be the largest US tech IPO in years. Snap's co-founders hope for a valuation of up to $25 billion and say it will be the first IPO to issue shares with no votes. For more of today's top stories, go to ft.com/firstft.