Live from the NASDAQ market site in the heart of New York City's Times Square, this is fast money.

Here's what's on tap tonight.

Under pressure, NVIDIA shares sinking over 15% this week as deep sea can trade fears roiled the semi-sector.

Is this finally the start of the great rotation out of tech?

We'll debate that.

And a new study into the reasons patients stop

and restart using weight loss drugs. We'll talk to the lead author to find out what it could

mean for the GLP1 market. Plus shares of deckers get decked after earnings. The chartmaster lays

out his potential breakout stars. And the NASDAQ 100 turns 40, how the index has changed over

the years and what it says about investor appetites. I'm Melissa Leak. I'm Delafroom Studio. Be at the NASAC 100 turns 40, how the index has changed over the years and what it says about investor appetites.

I'm Melissa Leak, I'm DeLacham-Dak from studio, be at the NASDAQ on the desk tonight.

Tim Seymour, Courtney Garcia, Dan Nathan, and Carter Braxton Worth.

We're going to get to the NVIDIA sell-off in just a moment, but we do want to start with a sweeping announcement from the president that sent stocks sharply lower late in the session, Trump confirming the tariffs on Canada, Mexico, and China will go into effect tomorrow

in promising levies are coming for chips, energy, and metals.

CNBC's Megan Kassela's got all the latest. Megan.

Melissa, we just finished hearing from the president from the Oval Office, spent about 30 minutes

talking to reporters and clarifying

his views on all of these points saying that, yes, those tariffs will be taking effect beginning

tomorrow. It's going to be 25% on Canada and Mexico, 10% on China. He says it's going to be

entirely because of the flow of fentanyl. He also said, quote, we are not looking for a concession,

suggesting that at this point, there is nothing

left that any of the three countries could do in order to escape those tariffs taking effect

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