

Small-cap stocks in the Russell 2000 (^RUT) can be a goldmine for investors looking beyond the usual large-cap names. But with less stability and fewer resources than their bigger counterparts, these companies face steeper challenges in scaling their businesses.
The high-risk, high-reward nature of the Russell 2000 makes stock selection critical, and we’re here to guide you toward the right ones. That said, here is one Russell 2000 stock that could be the next big thing and two that may face some trouble.
Market Cap: $7.29 billion
Supplying batteries that power equipment as big as mining rigs, EnerSys (NYSE:ENS) manufactures various kinds of batteries for a range of industries.
Why Does ENS Worry Us?
EnerSys’s stock price of $199.93 implies a valuation ratio of 16.8x forward P/E. Check out our free in-depth research report to learn more about why ENS doesn’t pass our bar.
Market Cap: $5.07 billion
Founded during the housing boom of 1977 and weathering multiple real estate cycles since, Radian Group (NYSE:RDN) provides mortgage insurance and real estate services, helping lenders manage risk and homebuyers achieve affordable homeownership.
Why Does RDN Give Us Pause?
Radian Group is trading at $38.16 per share, or 1x forward P/B. If you’re considering RDN for your portfolio, see our FREE research report to learn more.
Market Cap: $4.37 billion
Tracing its roots back to 1948 in San Juan, First BanCorp (NYSE:FBP) is a bank holding company that provides commercial banking, consumer financing, mortgage services, and insurance products across Puerto Rico, the U.S. mainland, and the Caribbean.
Why Does FBP Stand Out?
At $28.83 per share, First BanCorp trades at 2.2x forward P/B. Is now the time to initiate a position? See for yourself in our comprehensive research report, it’s free.
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Stocks that made our list in 2020 include now familiar names such as Nvidia (+1,460% between June 2020 and June 2025) as well as under-the-radar businesses like the once-micro-cap company Kadant (+214% between June 2020 and June 2025). Find your next big winner with StockStory today.