3 Profitable Stocks That Fall Short

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SMTC Cover Image

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. That said, here are three profitable companies to steer clear of and a few better alternatives.

Semtech (SMTC)

Trailing 12-Month GAAP Operating Margin: 2.1%

A public company since the late 1960s, Semtech (NASDAQ: SMTC) is a provider of analog and mixed-signal semiconductors used for Internet of Things systems and cloud connectivity.

Why Do We Think Twice About SMTC?

  1. Costs have risen faster than its revenue over the last five years, causing its operating margin to decline by 19.2 percentage points
  2. Free cash flow margin dropped by 8.9 percentage points over the last five years, implying the company became more capital intensive as competition picked up
  3. Push for growth has led to negative returns on capital, signaling value destruction, and its falling returns suggest its earlier profit pools are drying up

Semtech’s stock price of $158.79 implies a valuation ratio of 50.7x forward P/E. Check out our free in-depth research report to learn more about why SMTC doesn’t pass our bar.

Proto Labs (PRLB)

Trailing 12-Month GAAP Operating Margin: 5.6%

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 Is PRLB Risky?

  1. Muted 3.9% annual revenue growth over the last two years shows its demand lagged behind its industrials peers
  2. Earnings per share have dipped by 2.9% annually over the past five years, which is concerning because stock prices follow EPS over the long term
  3. ROIC of -0.9% reflects management’s challenges in identifying attractive investment opportunities

Proto Labs is trading at $77.04 per share, or 36.2x forward P/E. Read our free research report to see why you should think twice about including PRLB in your portfolio.

Viasat (VSAT)

Trailing 12-Month GAAP Operating Margin: 2.3%

Operating a fleet of 23 satellites that orbit the Earth and beam connectivity from space, Viasat (NASDAQ: VSAT) provides satellite-based communications networks and services for airlines, maritime vessels, governments, businesses, and residential customers worldwide.

Why Are We Hesitant About VSAT?

  1. Muted 4.1% annual revenue growth over the last two years shows its demand lagged behind its business services peers
  2. Earnings per share fell by 3.2% annually over the last five years while its revenue grew, partly because it diluted shareholders
  3. Cash-burning history makes us doubt the long-term viability of its business model

At $65.50 per share, Viasat trades at 216.7x forward P/E. If you’re considering VSAT for your portfolio, see our FREE research report to learn more.

Stocks We Like More

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 meet near-term momentum — both boxes checked at the same time.

Find out which stocks our AI platform is flagging this week. See this week’s Strong Momentum stocks — FREE. Get Our Strong Momentum 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-micro-cap company Tecnoglass (+1,754% five-year return). Find your next big winner with StockStory today.

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