Figure 1: Overall SOX and the S&P Tech Select Sector Index appear to move in tandem

Figure 1: Overall SOX and the S&P Tech Select Sector Index appear to move in tandem

Figure 2: SOX vs. S&P Tech Select Sector Index 1Y rolling correlation ranged from +0.78 to +0.91

Figure 2: SOX vs. S&P Tech Select Sector Index 1Y rolling correlation ranged from +0.78 to +0.91

That said, the high correlation and general pattern of price movements belie significant differences in returns between semiconductor stocks and the broader technology sector indexes, which are dominated by cell phone manufacturers, online retailers, software firms, internet search engines, and social media companies.  For this latter set of firms, access to the latest semiconductor chips is indispensable to their businesses, but the investment returns that those firms generate can be quite different from the semiconductor sector itself.  This much is apparent when one compares the total return of SOX to the total return of the S&P Technology Select Sector Index (Figure 3).   

Figure 3: Semiconductors underperformed from 2002-12 & outperformed from 2013-21.

Figure 3: Semiconductors underperformed from 2002-12 & outperformed from 2013-21.

From 2002 to 2012, SOX generally underperformed the broader S&P Technology Select Sector Index, declining by around 50% in relative terms.  During this period, an investment in the S&P Technology Select Sector Index returned +43.6% while SOX fell by -18.5%.  Part of the reason was that semiconductor stocks might have been overvalued during the late 1990s tech boom. They also struggled to regain their footing in the decade of the business-investment-led “tech wreck” recession of 2001, which led to relatively slow growth in semiconductor demand, while the broader technology sector forged ahead with innovative products, including the rise of the first social media giants and the vast expansion of search engines and online retailing. 

During the next decade or so, this pattern of returns reversed.  While the S&P Technology Select Sector Index returned a spectacular 648%, SOX did even better, returning 1,109% to investors between the end of 2012 and the end of 2021.  A booming tech sector created enormous demand for chips. 

This year, however, has been challenging, especially for semiconductors.  While the broader technology sector lost 32.5% in value through October 12 in 2022, the semiconductor industry has lost 43% of its market capitalization.  Semiconductor shares have also been hit by sharply rising levels of inventories. 

Part of the reason may be the greater market fragmentation in the semiconductor arena.  The broader technology industry was already globally fragmented.  For example, large U.S. social media sites are already blocked in many nations, including China.  Likewise, prominent U.S. and Chinese online retailers operate in different markets and rarely compete directly.  The same can be said of search engines, which can also be cut off at national borders.  Even large U.S. cell phone manufacturers have lost most of their Chinese market share while Chinese manufacturers have lost most of their foothold in the West.

From 2012 to 2021, semiconductor manufacturers were largely immune from this sort of market fragmentation.  Now market fragmentation has come for them as well –and at a time when inventories of chips are already high.  While semiconductor stocks are broadly correlated with the overall tech sector, there can be sharp differences in returns from time to time and recent geopolitical factors may be a major driver of divergent investment returns going forward.  

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All examples in this report are hypothetical interpretations of situations and are used for explanation purposes only. The views in this report reflect solely those of the author and not necessarily those of CME Group or its affiliated institutions. This report and the information herein should not be considered investment advice or the results of actual market experience.

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