Strategie
Growth Investing: How to Find Tomorrow's Market Leaders
Key takeaways
- Growth investing bets on companies with above-average potential to grow revenue and earnings.
- The key factor is the size of the addressable market (TAM) and the company's ability to capture it.
- Valuation is the weak point — a premium P/S or P/E can conceal overstretched expectations.
- The GARP strategy (growth at a reasonable price) combines growth with valuation discipline.
- Higher volatility compared with value stocks is an unavoidable characteristic of growth portfolios.
Growth investing buys companies from which significantly above-average revenue or earnings growth is expected — and accepts a premium valuation in the hope that future results will justify that premium.
What to look for in a growth company
The most important question is not "how fast is revenue growing right now?" but "how large is the potential market and how far along is the company in capturing it?" Key concepts:
- TAM (Total Addressable Market): how large is the total addressable market? A small TAM limits even the fastest growth.
- Revenue growth rate: consistent revenue growth of 20% per year or more is a strong signal.
- Gross margin: a high gross margin (above 50–60% for software companies) enables funding growth without dependence on external capital.
- Net Revenue Retention: what percentage of last year's revenue did the company retain from existing customers? A figure above 110% means customers are spending more than last year — without new acquisition cost.
Valuation: where it hurts
Growth stocks trade at high P/S (price-to-sales) or P/E because the market is paying for the future. This works if the company actually meets or beats expectations. If it slows, the correction is sharp — premium valuations vanish quickly.
Risks of the growth approach
Growth stocks are sensitive to interest rate movements — higher rates reduce the present value of future earnings and thus push valuations down. This was clearly visible in 2021–2022. The second risk is narrative: investors fall in love with a story and ignore the fact that the numbers do not confirm it.
How to invest in growth passively
For investors without time for deep analysis, growth ETFs exist (iShares MSCI World Growth Factor, Invesco QQQ). The passive approach compares this with active management. An overview of factor funds can be found in the ETF section.
FAQ
How does growth investing differ from value investing?
Value looks for undervalued companies trading below intrinsic value. Growth pays a premium for companies with above-average future potential. Both strategies can work, but in different market cycles and with different risks.
What is the PEG ratio?
PEG (Price/Earnings to Growth) divides the P/E ratio by the expected earnings growth rate. A value below 1 suggests the share price does not fully reflect the growth potential. Popularised by Peter Lynch as a GARP strategy tool.
Why are growth stocks sensitive to interest rates?
Their value depends on future earnings. Higher interest rates reduce the present value of distant earnings (the discount effect), thereby compressing valuations. This is why growth stocks fall faster than value when money becomes more expensive.
How do you know when a growth stock is overvalued?
Watch for whether revenue growth is decelerating while the valuation remains high. A PEG well above 2, a declining gross margin, or rising customer churn are warning signals that the premium valuation is not sustainable.