Fast money starts right now.

Live from the Nasak market site overlooking New York City's Times Square.

I'm Melissa Lee.

Traders on the desk are Tim Seymour, Brian Kelly, Dan Nathan, and Guyadami.

Tonight on Fast, the billionaires bash Bitcoin, the Oracle of Omaha himself calling

Bitcoin Rat Poison Squared.

But her own Brian Kelly is coming to the cryptocurrency's defense, he will explain what

Buffett is getting wrong.

Plus, turns out Tesla might need more cash despite Elon Musk's recent rants implying

otherwise.

We'll explain why the electric car company could be raising more fun sooner than you think

and what it could mean for the stock.

But first, we start off with a

tweet that turned the market today. The president's looming decision on the

Iran deal, let's get to Amy Javers in DC for all the details.

Amen. Yeah, hi Melissa, officials here at the White House are remaining mum this afternoon

about what the President's decision actually is.

We saw that tweet this afternoon,

the President putting out that he's going to make an announcement here at the White House at 2 p.m. tomorrow on the fate of the Iran deal.

Remember, he had set himself a May 12 deadline to make a decision whether to stay in or out and over the past couple of weeks we have seen a range of

allied leaders coming here to the White House to lobby the president to stay in the

deal we saw Emmanuel Macron of France, Angela Merkel of Germany, among others.

...