2 Expanding Stocks Poised for Success and 1 We Choose to Pass On

The Importance of Growth in Investing

Growth acts as the lifeblood for investments, but when it disappears, the impact can be dramatic. Investors who purchased Cisco during the Dot-Com era or those who experienced the market shifts from 2020 to 2022 know this firsthand.

Recognizing the risks associated with growth stocks led us to create StockStory. Our mission is to help you distinguish between companies poised for long-term success and those likely to falter, so you can make confident investment decisions. Below, we highlight two promising growth stocks and one that may be losing steam.

Growth Stock to Consider Selling

Repligen (RGEN)

Annual Revenue Growth: 16.4%

Repligen (NASDAQ:RGEN) has expanded its bioprocessing offerings through more than 13 acquisitions since 2012. The company specializes in developing and producing advanced technologies that enhance the efficiency and adaptability of biologic drug manufacturing.

Reasons RGEN May Underperform:

• With a revenue base of $738.3 million, Repligen has less leverage on fixed costs and fewer distribution channels compared to larger competitors.
• Over the past five years, the company’s efficiency has declined, as evidenced by an 18.3 percentage point drop in its adjusted operating margin.
• Returns on capital have weakened from an already low starting point, suggesting management’s investments have not been effective.

Currently, Repligen is priced at $115.10 per share, reflecting a forward P/E of 60.8.

Two Growth Stocks Worth Watching

Palo Alto Networks (PANW)

Annual Revenue Growth: 15.4%

Palo Alto Networks (NASDAQ:PANW), established in 2005 by Nir Zuk, revolutionized firewall technology and now delivers AI-driven cybersecurity solutions. Their platforms safeguard networks, cloud environments, and endpoints against advanced threats.

Why PANW Stands Out:

• The company anticipates a robust 28.1% sales increase over the next year, outpacing its recent growth trend.
• Efficient sales and marketing strategies enable rapid customer acquisition and substantial investment.
• A healthy free cash flow margin of 36% provides flexibility for reinvestment or capital returns.

Palo Alto Networks trades at $167.89 per share, with a forward price-to-sales ratio of 9.2.

FTAI Aviation (FTAI)

Annual Revenue Growth: 44.5%

FTAI Aviation (NASDAQ:FTAI) specializes in the CFM56 engine, which powers aircraft from Boeing and Airbus. The company is involved in selling, leasing, maintaining, and repairing these engines.

Why FTAI Is a Strong Contender:

• FTAI has achieved an impressive 46.3% annual revenue growth over the past two years, signaling increased market share.
• Earnings per share have surged by 43.8% annually in the same period, far outpacing industry peers.
• The company’s negative free cash flow margin has improved over five years, moving closer to financial independence.

FTAI Aviation is currently valued at $237.83 per share, with a forward P/E ratio of 35.8.

Our Top Stock Picks

Bonus: Top 5 Growth Stocks — The most successful stocks often share a common trait: explosive revenue growth. Meta, CrowdStrike, and Broadcom, all flagged by our AI, delivered returns of 315%, 314%, and 455%, respectively.

Discover which five stocks our system highlights this month — at no cost.

Our 2020 picks included well-known names like Nvidia, which soared 1,326% from June 2020 to June 2025, and lesser-known companies such as Kadant, which delivered a 351% five-year return.