For generations, they told us to cast our lot with the broad market – the State Street SPDR S&P 500 ETF Trust (SPY 0.57%). A scattering of seed, they said, across a fertile field. Diversification. A shield against the whims of fortune. But the field isn’t so broad anymore, is it? It’s become a carefully tended garden, and a few blooms are hogging all the sunlight. A recent report from Royal Bank of Canada – a cold, hard accounting – suggests a reckoning is brewing. The air smells of something other than growth.
The Concentration of Riches
The report doesn’t mince words. Over the past decade, the S&P 500 – once a rough map of the American economy – has become a shrine to technology and, more recently, the artificial. A ‘Great Narrowing,’ they call it. A polite term for a tightening grip. The common man, the one who toils in the digital fields, is increasingly subject to the fortunes of a handful of masters. It’s a familiar story, dressed in the language of algorithms and venture capital.
They point out the obvious: the weight of these tech titans, these AI dreamers, is immense. From 1990 to 2015, the top ten companies in the S&P 500 held, on average, a respectable 17.7% to 23.4% of the index’s value. A share, yes, but not domination. By 2020, that figure had jumped to 28.6%. Today? A staggering 40.7%. Nearly half the garden belongs to a few. The rest scrabble for scraps.
Many believe an S&P 500 fund offers safety in numbers. A comforting illusion. But over $40 of every $100 invested now flows into just ten companies. A self-fulfilling prophecy. Passive money, like water, always seeks the lowest point, reinforcing the strength of the already powerful. Fundamentals? They become secondary. The machine runs on its own momentum.
This isn’t necessarily a declaration of collapse. The market isn’t always about logic. And index funds still offer a degree of instant diversification. But to believe your fate isn’t tied to the whims of Nvidia – which now accounts for 8% of the S&P 500 – is naive. Your ‘diversification’ is an illusion, a gilded cage. The weight of these giants will be felt, eventually, by everyone below.
Perhaps it’s time to truly examine the landscape. To seek out the hidden corners, the undervalued seeds. To build a portfolio that reflects reality, not just the fever dreams of Silicon Valley. A little resilience, a little independence. It’s a small thing, but in a world increasingly dominated by giants, it might be the only thing that matters.
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2026-03-16 13:53