Welcome back to the exchange. Just a handful of stocks responsible for the recent rally,

but how long can they keep holding up the market? Giger Bosa has more in today's tech check.

Tech check, D.

Good old tech check.

To get an idea, John, of just how much Mega Cap tech

is leading the market this year. Look at this chart from Bank of America.

It tells you that we are currently seeing

the greatest outperformance of Tech versus the S&P 500 ever.

We'll get that chart out for you, but you will see that the previous two times, we even came

close to this kind of gap, there it is, they were followed by major tech bus.

Now, of course, tech looks a lot different now than it did back then.

It was more concentrated in a handful of companies. looks a lot different now than it did back then.

It is more concentrated in a handful of companies

worth hundreds of billions and trillions of dollars

with real earnings and diversified business models.

And it's partly underpinned by that transformational platform shift in AI that has not been

seen since the advent of the iPhone, the internet, or the industrial revolution, depending on who you

ask.

Given their size, though, this run up this year has been astounding.

In video, Meta, they have more than doubled in value.

Google is up 14% since that I.O event last week where it came out with its

generative AI search model

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