
Not all profitable companies are built to last - some rely on outdated models or unsustainable advantages.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.
Profits are valuable, but they’re not everything. At StockStory, we help you identify the companies that have real staying power. Keeping that in mind, here are two profitable companies that generate reliable profits without sacrificing growth and one that may struggle to keep up.
One Stock to Sell:
United Airlines (UAL)
Trailing 12-Month GAAP Operating Margin: 7.7%
Founded in 1926, United Airlines Holdings (NASDAQ: UAL) operates a global airline network, providing passenger and cargo air transportation services across domestic and international routes.
Why Is UAL Risky?
- Performance surrounding its revenue passenger miles has lagged its peers
- Capital intensity will likely ramp up in the next year as its free cash flow margin is expected to contract by 4.5 percentage points
- Returns on capital are growing as management invests in more worthwhile ventures
United Airlines’s stock price of $107.22 implies a valuation ratio of 11.6x forward P/E. If you’re considering UAL for your portfolio, see our FREE research report to learn more.
Two Stocks to Watch:
American Superconductor (AMSC)
Trailing 12-Month GAAP Operating Margin: 4.5%
Founded in 1987, American Superconductor (NASDAQ: AMSC) has shifted from superconductor research to developing power systems, adapting to changing energy grid needs and naval technology requirements.
Why Are We Bullish on AMSC?
- Annual revenue growth of 43.6% over the past two years was outstanding, reflecting market share gains this cycle
- Free cash flow margin jumped by 25.5 percentage points over the last five years, giving the company more resources to pursue growth initiatives, repurchase shares, or pay dividends
- Returns on capital are increasing as management’s prior bets are starting to bear fruit
At $31.30 per share, American Superconductor trades at 30.9x forward P/E. Is now the time to initiate a position? Find out in our full research report, it’s free.
State Street (STT)
Trailing 12-Month GAAP Operating Margin: 32.2%
Dating back to 1792 when Boston's Long Wharf was the center of global shipping and trade, State Street (NYSE: STT) provides custody, investment management, and other financial services to institutional investors like pension funds, asset managers, and central banks worldwide.
Why Could STT Be a Winner?
- Performance over the past two years was turbocharged by share buybacks, which enabled its earnings per share to grow faster than its revenue
- Management team has demonstrated it can invest in profitable ventures through its 10.4% five-year return on equity
State Street is trading at $175.20 per share, or 11.9x forward P/E. Is now a good time to buy? See for yourself in our in-depth research report, it’s free.
High-Quality Stocks for All Market Conditions
WHILE YOU’RE HERE: Top 9 Market-Beating Stocks. The best stocks don’t just beat the market once. They do it again. And again. Robust revenue growth, rising free cash flow, returns on capital that leave their competition in the dust. The market has already rewarded these businesses.
But our AI platform says the party isn’t over. Find out which 9 stocks made the cut this week — FREE. Get Our Top 9 Market-Beating 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-small-cap company Comfort Systems (+1,154% between June 2020 and June 2025). Find your next big winner with StockStory today.

