Growth Stocks Are Less Expensive Than Traditional Measures Imply

By Jeremy Schwartz, CFA; Matt Wagner, CFA

This year’s sharp rise in U.S. equities has many questioning whether prices have overshot fundamentals.

The concern is amplified for mega-cap growth stocks.

Apart from the case of Nvidia, whose earnings have soared, the biggest impact of artificial intelligence (AI) on earnings growth will be felt in the years to come, leaving investors with highly uncertain guesses as to the magnitude of the technology’s benefit. All the while, these companies are investing heavily in R&D to reap future rewards in sales and earnings.

The S&P 500 Index’s forward price-to-earnings (P/E) multiple of 18.8 times is 8% greater than the historical median valuation of 17.3 times, and in the 68th percentile relative to history.

Though high, valuations are clearly not at extremes and well off the highs from recent years.

S&P 500 Index Forward P/E Ratio, as of 9/29/23

Over the last several years, stock prices handily outpaced earnings growth, leading to P/E multiple expansion in the S&P 500.

In the last year, S&P 500 prices have recovered nearly 20% with earnings only slightly higher.

Earnings and Price Growth, as of 9/29/23

S&P 500 Index Price Level & Forward 12M Earnings per Share, as of 9/29/23

Missing Intangible Assets

As the industrial age gave way to the information age in recent decades, intangible assets that are difficult to assign values to—brands, supply-chain management, well-trained sales staff, superior technology, research and development expenditures—have taken up the bulk of a company’s capital expenditures and asset values.

Few, if any, updates have been made to Generally Accepted Accounting Principles (GAAP) to keep up with this new reality.

Internally generated intangible assets are largely missing on financial statements, causing book equity values (which equals assets less liabilities) to be understated.

And because investments related to intangible assets (like research and development) are to be immediately expensed rather than capitalized, companies are building large intangible assets when investing aggressively in R&D and understating true earnings relative to companies who depreciate physical assets over future years.

The companies penalized the most by this accounting treatment of R&D-type intangible assets are the high-growth tech companies.

Updating Valuations for Intangibles

In the below chart, we see the S&P 500 Expanded Tech¹ valuation of 35 times is significantly higher—a 56% premium—than the S&P 500 valuation of 22.5 times.

Price-to-Earnings

If we adjust earnings to account for the investments in intangible assets, we see a meaningfully different picture.

Using a revised intangible adjusted P/E, the S&P 500 Tech+ Index valuation is only 25% greater than the S&P 500—down from the nearly 60% premium in traditional P/E ratios.

Unlike the previous chart that showed the Tech+ basket having significantly higher multiples over the period following the global financial crisis, the below chart shows much less dispersion in valuations. Only in the last few months have the Tech+ valuations materially diverged from the S&P 500.

The S&P 500 P/E itself also drops 20% from 22.5 times to 18.0 times, showing the market is less expensive than traditional measures imply. The historical median discount looking at the S&P 500 P/E on the intangible adjusted measure versus the regular P/E has been 18%.

Intangible Adjusted Price-to-Earnings

The impact of using the standard price-to-book (P/B) versus intangibles adjusted P/B is an even greater contrast.

The 8.7 times P/B ratio of the S&P 500 Expanded Tech is a 111% premium to the P/B ratio of the S&P 500.

But using an intangible adjusted P/B, the Tech+ valuation drops in half—like the P/E ratio—to just 49% greater than the S&P 500.

Price-to-Book

Intangible Adjusted Price-to-Book

Both the regular return on equity (ROE) and the intangible adjusted ROE show that the profitability of the S&P 500 Tech+ is far greater than the S&P 500, perhaps justifying these higher valuations we see on the index.

Return on Equity

Intangible Adjusted Return on Equity

What It All Means

It can be easy to argue that enthusiasm for a hot theme like AI is causing investors to chase returns and bid up the price of growth stocks without regard for fundamentals.

In this post, we consider that the alternative—being too myopically focused on valuation ratios that rely on outdated accounting principles—may cause some investors to overstate the valuations for the market as a whole, and tech stocks in particular.

After adjusting earnings, common equity and assets for investments in intangible assets, we still see the S&P 500 Expanded Tech basket as having premium valuations multiples, but significantly less than what we saw with the unadjusted metrics.

The key concern for investors is the ability of the S&P 500 Expanded Tech basket to maintain its premium earnings growth going forward as it has done repeatedly over the last 10 to 15 years.

Annualized Weighted Average Trailing Earnings Growth

¹ Expanded Tech includes the Information Technology sector, Interactive Home Entertainment subindustry, Interactive Media & Services subindustry, Amazon, E-Bay, Etsy and Netflix. Ex-Tech excludes the Expanded Tech companies.

Jeremy Schwartz has served as our Global Chief Investment Officer since November 2021 and leads WisdomTree’s investment strategy team in the construction of WisdomTree’s equity Indexes, quantitative active strategies and multi-asset Model Portfolios. Jeremy joined WisdomTree in May 2005 as a Senior Analyst, adding Deputy Director of Research to his responsibilities in February 2007. He served as Director of Research from October 2008 to October 2018 and as Global Head of Research from November 2018 to November 2021. Before joining WisdomTree, he was a head research assistant for Professor Jeremy Siegel and, in 2022, became his co-author on the sixth edition of the book Stocks for the Long Run. Jeremy is also co-author of the Financial Analysts Journal paper “What Happened to the Original Stocks in the S&P 500?” He received his B.S. in economics from The Wharton School of the University of Pennsylvania and hosts the Wharton Business Radio program Behind the Markets on SiriusXM 132. Jeremy is a member of the CFA Society of Philadelphia.

Matt Wagner joined WisdomTree in May 2017 as an Analyst on the Research team. In his current role as an Associate Director, he supports the creation, maintenance, and reconstitution of our indexes and actively managed ETFs. Matt started his career at Morgan Stanley, working as an analyst in Treasury Capital Markets from 2015 to 2017 where he focused on unsecured funding planning, execution and risk management. Matt graduated from Boston College in 2015 with a B.A. in International Studies with a concentration in Economics. In 2020, he earned a Certificate in Advanced Valuation from NYU Stern. Matt is a holder of the Chartered Financial Analyst designation.

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