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Small-Cap Stocks Had Their Best First Half Since 1991

Small-cap stocks just wrapped up their strongest start to a year in over three decades, but analysts warn the second half may tell a different story.

If you've been keeping an eye on the smaller players in the stock market, you might want to do a double-take. Small-cap stocks — shares of companies with relatively modest market values — just finished their best first six months of a year since 1991. That's not a typo. We're talking about a run not seen in more than 30 years.

For context, small-cap stocks tend to be more volatile than their large-cap cousins like Apple or Microsoft. They're often seen as a barometer for domestic economic confidence, since these companies typically rely more heavily on the U.S. economy rather than global revenues. When small caps surge, it usually signals that investors are feeling pretty good about homegrown growth prospects.

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But here's where things get a little complicated. Just because the first half was historic doesn't mean the second half will follow suit. In fact, the analysts watching this space are pumping the brakes a bit, suggesting the road ahead for small caps could look considerably bumpier. Markets have a funny way of humbling anyone who gets too comfortable.

What could change the picture? Things like interest rate decisions, inflation data, and broader economic signals all play a big role in how small-cap stocks perform. These companies tend to carry more floating-rate debt than large firms, which makes them especially sensitive to borrowing costs. If rates stay elevated or economic momentum slows, that historic first-half party could give way to a second-half hangover.

So if small caps are part of your portfolio, it might be worth checking in on your exposure and thinking about whether your risk tolerance matches what could be a choppier stretch ahead. Continue reading at MarketWatch.com

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Frequently Asked Questions

Q.When did small-cap stocks last have a better first half of the year?

The last time small-cap stocks performed better in the first six months of a year was back in 1991, making 2026's first-half run a more-than-30-year milestone.

Q.Why might small-cap stocks struggle in the second half of 2026?

Analysts suggest the strong first-half performance may not carry over, as factors like interest rates, inflation, and slowing economic momentum could weigh on smaller companies that are especially sensitive to borrowing costs.

Q.What are small-cap stocks and why do they matter to everyday investors?

Small-cap stocks are shares of companies with relatively smaller market values, and they tend to be more sensitive to domestic economic conditions than large-cap stocks. They can offer higher growth potential but also come with greater volatility.

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