Musings on Markets · 2024-02-08 · 847d

The Magnificent Seven: Market Dominance and Performance Analysis in 2023

An analysis of how seven major technology stocks (Apple, Amazon, Alphabet, Meta, Microsoft, Nvidia, Tesla) drove 50% of US equity market gains in 2023, increasing their collective market cap by $5.1 trillion. The article examines whether their outperformance stems from momentum correction, superior profitability, or winner-take-all economics, concluding that operating performance and pricing power were key drivers.

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Metrics in this report

Historical Market Cap Increase

47$ trillion

aggregate

1926-2019 period

Mag Seven 2022 Market Cap Loss

4.8$ trillion

aggregate

2022 performance

Mag Seven Bottom Decile Return

74%

within decile

2023 performance

Mag Seven Market Cap Growth

1.1 to 12$ trillion

range

2012-2023

Mag Seven Market Cap Increase

5.1$ trillion

aggregate

2023 performance

Mag Seven Share of US Market Cap

7.97%

end of 2012

historical baseline

Mag Seven Share of US Market Cap

24.51%

end of 2023

current concentration

Meta Performance

2.9xmultiple

almost tripled

2023 stock price appreciation

Nvidia Performance

3.0xmultiple

more than tripled

2023 stock price appreciation

Portfolio Underperformance Without Mag Seven

17.97%

shortfall

2012-2023 period

Rest of Bottom Decile Return

19%

within decile

2023 performance

Top 5 Companies Historical Contribution

22%

of total increase

1926-2019 period

US Equity Price Appreciation

23.25%

with Mag Seven

2023 full year

US Equity Price Appreciation

12.6%

without Mag Seven

2023 full year

US Listed Companies

6658count

total

2023

Worst Performing Decile 2023 Return

35%

overall decile

stocks down most in 2022