Doug Krizner

It tumbled below 64,000 as an unwinding of leveraged bets deepened.

Bitcoin lost more than 12% during New York trading, and Nobel laureate Paul Krugman says Bitcoin is facing a real crisis of faith.

That is Nobel laureate Paul Krugman speaking on Bloomberg Businessweek Daily.

Bitcoin has wiped out all of its gains since President Trump's election set off a speculative rush into cryptocurrencies.

Now, Bitcoin's plunge has rocked the digital asset complex, and few companies are more exposed than the Bitcoin treasury company Strategy Inc.

Today, after the bell, the company confirmed a net loss of $12.4 billion for the fourth quarter.

Shares in Strategy Inc.

were down by more than 2% in late U.S.

trading, but these shares have lost 45% of their value so far this year.

The treaty limiting U.S.

and Russian deployment of the most dangerous nuclear weapons lapsed overnight, and President Trump is renewing calls for a stronger pact instead of extending the current agreement known as the New START Treaty.

Here is former Republican Congressman Patrick McHenry.

They were suspended shortly after the invasion of Ukraine.

Today, U.S.

Treasury Secretary Scott Besson testified before the Senate Banking Committee on financial oversight.

And during the hearing, Democratic Senator Elizabeth Warren asked Besson about the possibility of the Trump administration bringing a lawsuit against Fed Chair nominee Kevin Warsh if he does not lower interest rates.

Now, Warren's question referenced reports over the weekend that Trump joked

that he would sue Warsh if he did not get interest rates down.

Here is the exchange between Warren and Besant.

Now, Besant went on to say that Warsh is highly qualified to be Fed chair.