Growth is a hallmark of all great companies, but the laws of gravity eventually take hold. Those who rode the COVID boom and ensuing tech selloff in 2022 will surely remember that the market’s punishment can be swift and severe when trajectories fall.

The risks that can come from buying these assets is precisely why we started StockStory - to isolate the long-term winners from the losers so you can invest with confidence. On that note, here are two growth stocks with significant upside potential and one climbing an uphill battle.

One Growth Stock to Sell:

StoneX (SNEX)

One-Year Revenue Growth: +53.6%

Originally known as INTL FCStone until its 2020 rebranding, StoneX Group (NASDAQ: SNEX) provides a global financial services network connecting companies, traders, and investors to markets through clearing, execution, and advisory services.

Why Are We Cautious About SNEX?

1. Earnings growth underperformed the sector average over the last four years as its EPS grew by just 3.2% annually
2. High debt-to-equity ratio of 7.2× shows the firm carries too much debt relative to shareholder equity, increasing bankruptcy risk

StoneX’s stock price of $89.50 implies a valuation ratio of 2.2x forward P/E. Read our free research report to see why you should think twice about including SNEX in your portfolio.

Two Growth Stocks to Buy:

Duolingo (DUOL)

One-Year Revenue Growth: +39.9%

Founded by a Carnegie Mellon computer science professor and his Ph.D. student, Duolingo (NASDAQ: DUOL) is a mobile app helping people learn new languages.

Why Should You Buy DUOL?

1. Monthly Active Users have grown by 33.1% annually, allowing for more profitable cross-selling opportunities if it can build complementary products and features
2. Additional sales over the last three years increased its profitability as the 259% annual growth in its earnings per share outpaced its revenue
3. Impressive free cash flow profitability enables the company to fund new investments or reward investors with share buybacks/dividends, and its growing cash flow gives it even more resources to deploy

At $185.56 per share, Duolingo trades at 25.6x forward EV/EBITDA. Is now the right time to buy? See for yourself in our comprehensive research report, it’s free for active Edge members .

First Solar (FSLR)

One-Year Revenue Growth: +31.2%

Headquartered in Arizona, First Solar (NASDAQ: FSLR) specializes in manufacturing solar panels and providing photovoltaic solar energy solutions.

Why Is FSLR a Top Pick?

1. Annual revenue growth of 26.4% over the last two years was superb and indicates its market share increased during this cycle
2. Performance over the past two years shows its incremental sales were extremely profitable, as its annual earnings per share growth of 71.6% outpaced its revenue gains
3. Free cash flow turned positive over the last five years, showing the company has crossed a key inflection point

First Solar is trading at $254.57 per share, or 11.7x forward P/E. Is now a good time to buy? Find out in our full research report, it’s free for active Edge members.

Stocks We Like Even More

The market’s up big this year - but there’s a catch. Just 4 stocks account for half the S&P 500’s entire gain. That kind of concentration makes investors nervous, and for good reason. While everyone piles into the same crowded names, smart investors are hunting quality where no one’s looking - and paying a fraction of the price. Check out the high-quality names we’ve flagged in our Top 6 Stocks for this week. This is a curated list of our High Quality stocks that have generated a market-beating return of 244% over the last five years (as of June 30, 2025).

Stocks that made our list in 2020 include now familiar names such as Nvidia (+1,326% between June 2020 and June 2025) as well as under-the-radar businesses like the once-small-cap company Exlservice (+354% five-year return). Find your next big winner with StockStory today for free. Find your next big winner with StockStory today. Find your next big winner with StockStory today

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