
Expensive stocks typically earn their valuations through superior growth rates that other companies simply can’t match. The flip side though is that these lofty expectations make them particularly susceptible to drawdowns when market sentiment shifts.
Finding the right balance between price and quality can challenge even the most skilled investors. Luckily for you, we started StockStory to help you identify the real opportunities. That said, here is one high-flying stock expanding its competitive advantage and two where the price is not right.
Two High-Flying Stocks to Sell:
Teradyne (TER)
Forward P/E Ratio: 52.8x
Sporting most major chip manufacturers as its customers, Teradyne (NASDAQ: TER) is a US-based supplier of automated test equipment for semiconductors as well as other technologies and devices.
Why Does TER Fall Short?
- Muted 3.4% annual revenue growth over the last five years shows its demand lagged behind its semiconductor peers
- Estimated sales growth of 16.8% for the next 12 months implies demand will slow from its two-year trend
- Free cash flow margin dropped by 10.7 percentage points over the last five years, implying the company became more capital intensive as competition picked up
Teradyne is trading at $359.90 per share, or 52.8x forward P/E. Check out our free in-depth research report to learn more about why TER doesn’t pass our bar.
AAON (AAON)
Forward P/E Ratio: 55.3x
Backed by two million square feet of lab testing space, AAON (NASDAQ: AAON) makes heating, ventilation, and air conditioning equipment for different types of buildings.
Why Does AAON Give Us Pause?
- Earnings per share fell by 18.7% annually over the last two years while its revenue grew, showing its incremental sales were much less profitable
- Long-term business health is up for debate as its cash burn has increased over the last five years
- Eroding returns on capital suggest its historical profit centers are aging
AAON’s stock price of $140.25 implies a valuation ratio of 55.3x forward P/E. If you’re considering AAON for your portfolio, see our FREE research report to learn more.
One High-Flying Stock to Buy:
Nova (NVMI)
Forward P/E Ratio: 48.8x
Headquartered in Israel, Nova (NASDAQ: NVMI) is a provider of quality control systems used in semiconductor manufacturing.
Why Should You Buy NVMI?
- Annual revenue growth of 30.4% over the last two years was superb and indicates its market share increased during this cycle
- Earnings growth has trumped its peers over the last five years as its EPS has compounded at 33.2% annually
- NVMI is a free cash flow machine with the flexibility to invest in growth initiatives or return capital to shareholders
At $517.44 per share, Nova trades at 48.8x 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
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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-micro-cap company Kadant (+351% five-year return). Find your next big winner with StockStory today.

