The Question Everyone’s Asking (But Getting Different Answers To)
If you’ve been paying attention to financial news lately, you’ve probably noticed that AI has gone from being a buzzword to the explanation for nearly everything happening in markets right now.
Big tech stocks soaring? AI. GDP growth beating expectations? AI. Your neighbor’s portfolio suddenly soaring? Probably got in early on AI stocks.
But here’s what’s interesting: when you actually try to pin down how much of the economy is being driven by artificial intelligence, you get wildly different answers depending on who you ask. And that tells us something important about where we are in this technology cycle.
The Numbers Are All Over the Map
Let’s start with what we know, or think we know.
The Financial Times recently suggested that AI could account for nearly 40% of U.S. GDP growth and roughly 80% of this year’s stock market gains. Those are huge numbers. If they’re even close to accurate, we’re living through a genuine economic transformation.
But then you look at other analyses, and the picture gets murkier. Goldman Sachs estimates AI’s contribution to GDP at around 0.7% after accounting for how these investments actually show up in economic data. Reuters noted that direct AI spending represents only about 1% of GDP, though it might explain up to a third of recent growth when you include all the ripple effects.
So which is it? Is AI driving everything, or is it a rounding error?
The answer, as it usually is with economics, is more nuanced than either extreme.
What’s Actually Happening
Here’s the thing about AI’s economic impact right now: it’s real, but it’s also heavily concentrated.
Think about it this way. A handful of mega-cap companies, the ones building chips, running cloud platforms, and developing AI models, have absolutely dominated market returns. Take them out of the S&P 500, and MarketWatch estimates the index would be nearly 20% lower. That’s not nothing.
But when you talk to actual businesses using AI today, the Stanford AI Index found that most are seeing less than 10% in cost savings or revenue gains. The technology is helping, but it’s not revolutionizing their operations overnight.
The Penn Wharton Budget Model tried to cut through this confusion by making a useful distinction: about 40% of GDP could be “substantially affected” by AI over time, but only around 10% is likely to be transformed in the next several years.
In other words, there’s a big difference between exposure (industries that might eventually be influenced by AI) and impact (sectors actually seeing measurable change right now).
Why Official Data Misses the Mark
One reason the numbers vary so much is that traditional economic accounting doesn’t know quite what to do with AI investments yet.
When a company buys chips or cloud capacity for AI infrastructure, those purchases often get classified as intermediate goods, inputs for making other things, rather than final products that add directly to GDP. It’s an accounting quirk that probably understates AI’s real economic footprint by hundreds of billions of dollars.
This isn’t just a technicality. It means we’re flying somewhat blind, trying to measure a transformation that our standard metrics weren’t designed to capture.
The Bubble Question We Can’t Ignore
Whenever one story dominates markets this vast, the bubble comparisons start flying. And honestly? They’re not entirely unfair.
We’ve seen this movie before. Remember when every company added “.com” to its name in the late 90s? Or when “blockchain” and “crypto” were supposed to revolutionize everything a few years back?
AI is different, the underlying technology is real and genuinely transformative. But that doesn’t mean every AI-adjacent stock is a good investment, or that current valuations perfectly reflect future cash flows.
Reuters recently warned that if AI enthusiasm fades, the global economy could “pop” alongside those valuations. It’s worth taking that seriously, not because AI won’t matter, but because markets can get ahead of themselves even when betting on the right technological shift.
What This Actually Means for Your Portfolio
If you’re a long-term investor, especially if you’ve built meaningful wealth through equity exposure, here’s what matters:
The concentration is real, and it cuts both ways. Yes, AI-related stocks have driven much of the market’s gains. But that also means you’re more exposed than you might realize to a narrow set of companies and a single narrative. If that narrative shifts, the impact won’t be evenly distributed.
Not all AI investments are created equal. Some companies are genuinely building sustainable competitive advantages with this technology. Others are just riding the hype cycle. The difference will become clear over time, and probably in ways that surprise us.
This is where human judgment still matters. Algorithms are great at identifying patterns and trends. They’re less good at figuring out which trends are durable, which companies can actually execute, and how all of this fits into your specific financial situation and goals.
At Stonewater Financial, we’re not anti-technology, far from it. But we’ve seen enough market cycles to know that the best investment approach combines quantitative analysis with experienced judgment. It’s about being thoughtful, not reactive.
The Bigger Picture
So how much of the economy is being powered by AI?
The honest answer is: more than official statistics suggest, but probably less than the headlines make it sound. We’re in the early innings of something significant, but we’re still figuring out what the final score will look like.
AI is contributing meaningfully to both growth and market returns. It’s creating real productivity improvements and enabling new business models. But it’s not the only thing happening in the economy, and the gap between potential and actual impact remains wide.
For investors, that creates both opportunity and risk. The winners will likely be those who can separate structural change from short-term momentum, who diversify thoughtfully rather than chasing trends, and who have the discipline to stick with a well-reasoned strategy even when the market narrative shifts.
Because it always does.
Content in this material is for general information only and not intended to provide specific advice or recommendations for any individual. All performance referenced is historical and is no guarantee of future results.
All investing involves risk, including loss of principal. No strategy assures success or protects against loss. There is no guarantee that a diversified portfolio will enhance overall returns or outperform a non-diversified portfolio.
Diversification does not protect against market risk.
The economic forecasts set forth in this material may not develop as predicted and there can be no guarantee that strategies promoted will be successful.

