
While profitability is essential, it doesn’t guarantee long-term success. Some companies that rest on their margins will lose ground as competition intensifies - as Jeff Bezos said, "Your margin is my opportunity".
A business making money today isn’t necessarily a winner, which is why we analyze companies across multiple dimensions at StockStory. Keeping that in mind, here is one profitable company that generates reliable profits without sacrificing growth and two best left off your watchlist.
Two Stocks to Sell:
Proto Labs (PRLB)
Trailing 12-Month GAAP Operating Margin: 4.7%
Pioneering the concept of online quoting and manufacturing for custom prototypes and low-volume production parts, Proto Labs (NYSE: PRLB) offers injection molding, 3D printing, and sheet metal fabrication for manufacturers in various industries.
Why Are We Out on PRLB?
- Annual revenue growth of 2.9% over the last two years was below our standards for the industrials sector
- Falling earnings per share over the last five years has some investors worried as stock prices ultimately follow EPS over the long term
- Below-average returns on capital indicate management struggled to find compelling investment opportunities
Proto Labs is trading at $62.12 per share, or 35.2x forward P/E. If you’re considering PRLB for your portfolio, see our FREE research report to learn more.
LifeStance Health Group (LFST)
Trailing 12-Month GAAP Operating Margin: 1.7%
With over 6,600 licensed mental health professionals treating more than 880,000 patients annually, LifeStance Health (NASDAQ: LFST) provides outpatient mental health services through a network of clinicians offering psychiatric evaluations, psychological testing, and therapy across 33 states.
Why Are We Cautious About LFST?
- Modest revenue base of $1.42 billion gives it less fixed cost leverage and fewer distribution channels than larger companies
- Low free cash flow margin of 0.5% for the last five years gives it little breathing room, constraining its ability to self-fund growth or return capital to shareholders
- Negative returns on capital show management lost money while trying to expand the business
LifeStance Health Group’s stock price of $6.67 implies a valuation ratio of 22.1x forward P/E. Read our free research report to see why you should think twice about including LFST in your portfolio.
One Stock to Watch:
Ross Stores (ROST)
Trailing 12-Month GAAP Operating Margin: 11.9%
Selling excess inventory or overstocked items from other retailers, Ross Stores (NASDAQ: ROST) is an off-price concept that sells apparel and other goods at prices much lower than department stores.
Why Are We Positive On ROST?
- New store openings and solid same-store sales performance have boosted its top-line growth
- Comparable store sales rose by 3.6% on average over the past two years, demonstrating its ability to drive increased spending at existing locations
- Market-beating returns on capital illustrate that management has a knack for investing in profitable ventures
At $222.33 per share, Ross Stores trades at 30.5x forward P/E. Is now the time to initiate a position? Find out in our full research report, it’s free.
High-Quality Stocks for All Market Conditions
ALSO WORTH WATCHING: Top 5 Momentum Stocks. The best time to own a great stock is when the market is finally noticing it. These aren't just high-quality businesses. Something is happening with them right now. Elite fundamentals meeting near-term momentum — both boxes checked at the same time.
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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.