3 Profitable Stocks with Warning Signs

via StockStory
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Even if a company is profitable, it doesn’t always mean it’s a great investment. Some struggle to maintain growth, face looming threats, or fail to reinvest wisely, limiting their future potential.

Not all profitable companies are created equal, and that’s why we built StockStory - to help you find the ones that truly shine bright. Keeping that in mind, here are three profitable companies to steer clear of and a few better alternatives.

Twilio (TWLO)

Trailing 12-Month GAAP Operating Margin: 5.2%

Known for the clever "Twilio Magic" demo that had developers creating functioning communications apps in minutes, Twilio (NYSE:TWLO) provides a platform that enables businesses to communicate with their customers through voice, messaging, email, and other digital channels.

Why Are We Cautious About TWLO?

  1. Revenue increased by 14.7% annually over the last two years, acceptable on an absolute basis but tepid for a software company enjoying secular tailwinds
  2. Gross margin of 48.6% is way below its competitors, leaving less money to invest in areas like marketing and R&D
  3. Operating margin improvement of 3.7 percentage points over the last year demonstrates its ability to scale efficiently

Twilio’s stock price of $237.52 implies a valuation ratio of 6.1x forward price-to-sales. Check out our free in-depth research report to learn more about why TWLO doesn’t pass our bar.

Lincoln Educational (LINC)

Trailing 12-Month GAAP Operating Margin: 5.9%

Established in 1946, Lincoln Educational (NASDAQ:LINC) is a provider of specialized technical training in the United States, offering career-oriented programs to provide practical skills required in the workforce.

Why Do We Think LINC Will Underperform?

  1. Demand for its offerings was relatively low as its number of enrolled students has underwhelmed
  2. Projected 5.3 percentage point decline in its free cash flow margin next year reflects the company’s plans to increase its investments to defend its market position
  3. Eroding returns on capital from an already low base indicate that management’s recent investments are destroying value

Lincoln Educational is trading at $25.92 per share, or 26.2x forward P/E. Dive into our free research report to see why there are better opportunities than LINC.

Solaris Energy Infrastructure (SEI)

Trailing 12-Month GAAP Operating Margin: 24.3%

After acquiring Mobile Energy Rentals in 2024 to enter the distributed power market, Solaris Energy Infrastructure (NYSE:SEI) leases mobile power equipment and provides logistics services for oil and gas well completion.

Why Does SEI Worry Us?

  1. Subscale operations are evident in its revenue base of $762.2 million, meaning it has fewer distribution channels than its larger rivals
  2. Gross margin of 42.6% reflects its high production costs and unfavorable asset base
  3. Cash-burning history makes us doubt the long-term viability of its business model

At $50.04 per share, Solaris Energy Infrastructure trades at 68.3x forward P/E. Check out our free in-depth research report to learn more about why SEI doesn’t pass our bar.

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 (+1,460% between June 2020 and June 2025) as well as under-the-radar businesses like the once-micro-cap company Tecnoglass (+1,552% between June 2020 and June 2025). Find your next big winner with StockStory today.

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