As central banks wind down their quantitative easing, we see vulnerabilities in pockets of the equity market, especially in the US.
With central banks around the world winding down quantitative easing, the extraordinary push of liquidity of the past two years is now set to wane. Most central banks intend only to lean against the wind, pulling back gradually to ensure the recovery remains on stable footing. They may succeed, but that doesn’t mean that there won’t be vulnerable pockets in markets that start to feel the pinch of tightening long before the economic outlook begins to turn.
So, who will prove most vulnerable to the pullback in liquidity? While global equity markets are potentially vulnerable, US equities are particularly exposed. A decade of extremely easy liquidity has driven down discount rates, a mechanical support for equity market multiples that drove duration to secular highs. This poses a risk as rates begin to rise, especially for companies with very strong priced-in earnings growth and cash flows far in the future. Companies have also grown reliant on the ongoing flow of ample liquidity: a growing cohort is borrowing to deploy buybacks and support earnings-per-share, and a significant and growing tail of the market is cash flow negative and relying on ongoing new investments to finance their business. With less money flowing into the system, that funding will be harder to come by.
For many companies, ongoing strength in economic activity will be a support that counters the impact of tightening liquidity. We expect that to be particularly true in markets like Japan and Europe, which are comprised of more cyclical industries and have some of the post-COVID economic bounce still ahead. By comparison, we see more risks for the US market, which has benefited more significantly from ample liquidity in recent years, faces greater pressure to tighten given growing inflation risks, and is already through most of the post-COVID rebound.
The charts below show measures of the concepts we described for the US. As shown, the share of the US market that is highly exposed to liquidity has shot up in recent years, while the share highly exposed to growth has declined. A lot of this shift reflects the growing dominance of tech in the US.
Looking across economies, the picture is notably different. Compared to the US equity market, Europe’s and Japan’s have relatively more companies that are highly growth-sensitive and fewer that are more liquidity-sensitive. We expect that each economy’s respective cyclical conditions will exacerbate these differences (e.g., the US seeing more pressure to tighten).
Growth and Liquidity Sensitivity Can Be Important Drivers of Performance Differences Between Sectors and Countries
While there are many factors that drive equity performance, we think the sensitivity of different sectors and country-level equity markets (effectively baskets of sectors) to liquidity and growth is particularly relevant as central banks respond to rising nominal growth by pulling back liquidity. To illustrate these different sensitivities, we zoom in on the US equity market, splitting up performance in the past two years into periods when real yields were falling and when they were rising (a cut-through measure of what was happening to liquidity versus growth). The first chart below covers easing liquidity/falling growth (most of 2020 and April-July 2021), and the second shows tightening liquidity/rising growth (January-March 2021 and August 2021 to today). We plot sector performance against our internal measure of sensitivity to a tightening-liquidity and rising-growth environment to highlight which sectors do well in each period.
As shown, performance generally directionally aligned with what we would expect. In the major periods of falling real yields (generally periods of falling growth and rising liquidity), we saw tech sectors outperform and more cyclical sectors underperform.
And then, during recent periods of rising real yields, performance looked like the mirror opposite.
The Performance Difference Between US and Global Equities Has Increasingly Aligned with Relative Exposure to Growth and Liquidity
The differences in sectoral sensitivities to growth and liquidity inherently bubble up to differences in performance between equity markets at the country level. In the chart below, we show US performance relative to the rest of the developed world against our measure of liquidity (a combination of measures that assess pressure on rates, funding markets, etc.). The cross-country differences shown above really began growing substantially at the beginning of the last decade, when tech began its rise to dominance in the United States. This was roughly the same time that we started to see differential equity performance line up closely with swings in liquidity. This doesn’t mean that this was the only thing going on or that the same will necessarily be true looking ahead; relative conditions in each country often differ, investor flows swing one way or another, etc. Still, the recent relationship has been interesting and aligns with the relative exposure we see across these markets. In particular, in recent months, as markets have begun to process the higher likelihood of a pullback in liquidity, we have again seen the US start to underperform.
Below, we describe what has driven the growing sensitivity of US equities to liquidity in more detail.
The Decline in Discount Rates and Strong Growth Expectations Supported an Increase in Equity Duration
Today, equity market duration—and thus, sensitivity to liquidity—is at highs last seen in the ’90s tech bubble. This in part reflects the fact that, over the past 20 years, secularly declining interest rates mechanically increased the value of corporate cash flows further in the future. In addition, low interest rates, ample liquidity, and limited alternatives supported a surge in market capitalization of innovative industries. The level of earnings growth expectations for the market as a whole today has increased substantially in recent years, further lengthening duration.
US Companies Have Grown Increasingly Reliant on Liquidity to Fund Earnings-Per-Share Growth
Over the past decade, massive liquidity production has been enormously beneficial to US companies. Large companies changed their capital structure, issued debt, bought back their stock, and financed M&A, significantly boosting earnings-per-share growth. As shown on the left chart below, the share of US companies that have boosted earnings-per-share via buybacks has increased significantly in recent years. You can also see here that recent periods of tightening liquidity (2013 and 2018) drove brief pullbacks from this trend of rising buybacks.
In addition, liquidity has poured into innovative companies, many of which seek to “grow at all costs” and run significant cash flow deficits effectively financed by issuing equity. While these companies are still a relatively small share of the listed equity market (about 6%), their share has grown as they have increasingly gone public, and they represent a real vulnerability to the high-flying growth segment of the market.
US Equities Have Less Cyclical Upside in a Rising Nominal Growth Environment Today Relative to History
Corporate revenues in the US are also less likely to respond to stronger growth conditions today. Over the past decade, some of the sectors most exposed to rising nominal growth—such as resources and financials—have lost significant share, and tech companies have taken their place. Though tech company revenues are still cyclical, it’s not to the same degree.
In addition, over time the cyclicality of tech sales has declined. This reflects an underlying shift in the nature of tech businesses, with tech sales today increasingly composed of software and cloud products rather than electronic capital goods and intermediate inputs.
Operating leverage is a significant driver of cyclical swings in earnings. The higher the level of margins, the lower the operating leverage effect. For instance, if you assume fully fixed costs, a 1% increase in sales translates to 10% earnings growth for a company with a 10% margin, while the same sales growth translates to 20% earnings growth for a company with a 5% margin. As shown in the chart on the left below, after 30 years of secularly increasing profit margins, the share of companies with low operating leverage now represents almost 40% of market capitalization. A significant degree of the secular increase in margins came from tech companies. This was both because their margins increased markedly (shown in the chart on the right) and because high-margin tech companies gained share.
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