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1 Profitable Stock with Competitive Advantages and 2 Facing Headwinds

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Not all profitable companies are built to last - some rely on outdated models or unsustainable advantages. Just because a business is in the green today doesn’t mean it will thrive tomorrow.

A business making money today isn’t necessarily a winner, which is why we analyze companies across multiple dimensions at StockStory. That said, here is one profitable company that generates reliable profits without sacrificing growth and two that may struggle to keep up.

Two Stocks to Sell:

Paychex (PAYX)

Trailing 12-Month GAAP Operating Margin: 36.9%

Once known as the go-to service for small business payroll needs, Paychex (NASDAQ: PAYX) provides payroll processing, HR services, employee benefits administration, and insurance solutions to small and medium-sized businesses.

Why Is PAYX Not Exciting?

  1. 9.9% annual revenue growth over the last five years was slower than its software peers
  2. Estimated sales growth of 6.8% for the next 12 months implies demand will slow from its two-year trend
  3. Costs have risen faster than its revenue over the last year, causing its operating margin to decline by 4.6 percentage points

Paychex’s stock price of $93.99 implies a valuation ratio of 5x forward price-to-sales. Dive into our free research report to see why there are better opportunities than PAYX.

F5 (FFIV)

Trailing 12-Month GAAP Operating Margin: 24.7%

Originally named after the F5 tornado, the most powerful on the meteorological scale, F5 (NASDAQ: FFIV) provides security and delivery solutions that protect applications across cloud, data center, and edge environments for large organizations.

Why Are We Cautious About FFIV?

  1. Underwhelming ARR growth of 3.3% over the last year suggests the company faced challenges in acquiring and retaining long-term customers
  2. Estimated sales growth of 5% for the next 12 months implies demand will slow from its two-year trend
  3. Operating margin was unchanged over the last year, suggesting it failed to gain leverage on its fixed costs

F5 is trading at $361.65 per share, or 6x forward price-to-sales. Read our free research report to see why you should think twice about including FFIV in your portfolio.

One Stock to Watch:

Kirby (KEX)

Trailing 12-Month GAAP Operating Margin: 14.6%

Transporting goods along all U.S. coasts, Kirby (NYSE: KEX) provides inland and coastal marine transportation services.

Why Are We Positive On KEX?

  1. Market share has increased this cycle as its 11.1% annual revenue growth over the last five years was exceptional
  2. Share repurchases have amplified shareholder returns as its annual earnings per share growth of 24% exceeded its revenue gains over the last two years
  3. Free cash flow margin jumped by 8.9 percentage points over the last five years, giving the company more resources to pursue growth initiatives, repurchase shares, or pay dividends

At $146.14 per share, Kirby trades at 19.8x forward P/E. Is now a good time to buy? Find out in our full research report, it’s free.

High-Quality Stocks for All Market Conditions

ONE MORE THING: Top 5 Growth Stocks. The biggest stock winners almost always had one thing in common before they ran. Revenue growing like crazy. Meta. CrowdStrike. Broadcom. Our AI flagged all three. They returned 315%, 314%, and 455%, respectively.

Find out which 5 stocks it's flagging for this month - FREE. Get Our Top 5 Growth Stocks for Free HERE.

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 Comfort Systems (+782% five-year return). Find your next big winner with StockStory today.

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