The Dow Jones Industrial Average has been calling the shots since 1896 — making it the oldest stock index in the entire United States, older than the S&P 500 by a comfortable 30 years. What started as a humble basket of just 12 companies has grown into today’s famous 30-stock lineup, and the committee behind it has never stopped tinkering. The question is whether all that tinkering actually helps investors or just creates expensive noise.
The most recent major shake-up dropped Intel and Dow Inc. out of the index in November 2024, replacing them with Nvidia and Sherwin-Williams. The logic was obvious enough: Nvidia had surged over 170% that year on pure AI mania while Intel had collapsed by more than 50%, so the swap looked overdue. Amazon had already joined back in February 2024, booting out Walgreens Boots Alliance. By the end of 2025, the Dow now houses four of the six trillion-dollar tech giants: Apple, Microsoft, Nvidia, and Amazon — while Meta and Alphabet still sit on the outside looking in.
The Irony Hidden in Every Swap
Here is where things get genuinely interesting. Studies going back to 1928 consistently show that stocks kicked out of the Dow tend to outperform the shiny new additions. A famous Pomona College study covering 1928 through 2022 found that removed stocks beat their replacements in the majority of historical changes.
The classic example still holds up: IBM was booted from the Dow in 1939 and replaced by AT&T. By the time IBM finally rejoined in 1979, IBM’s stock had multiplied 562 times in value. AT&T barely tripled over the same stretch.
The modern version of this story is still being written. Intel hit a 25-year run in the Dow before getting dumped in November 2024, meanwhile trading at valuations nobody wanted to touch. Meanwhile, Amazon — added at premium valuation — finished 2025 as the worst performer among all four Magnificent Seven members inside the Dow, gaining just 5.2%, while Nvidia gained 38.9% in its first full year as a component. Even Walgreens, the company Amazon replaced, ended up getting taken private by Sycamore Partners — a very different outcome than simple slow decline.
Why the “Rejects” Keep Winning
The pattern is not random. Stocks added to the Dow are almost always riding recent momentum and trading at stretched valuations, which means the market has already priced in much of the good news. Stocks that get removed are usually beaten down, unloved, and priced for continued failure — which is exactly the kind of setup that creates room for a strong recovery.
This dynamic also shows up in the S&P 500. The March 2026 rebalance saw multiple additions and deletions across the S&P 500, S&P MidCap 400, and S&P SmallCap 600, impacting trillions of dollars in tracked fund assets. Every single one of those swaps creates the same structural setup: index funds dump the losers and pile into the winners at whatever price the market sets that day.
Buy and Hold Still Beats the Committee
The research points in one clear direction: frozen portfolios — ones where stocks are not constantly shuffled based on committee decisions — consistently tend to outperform actively managed index reconstitutions over long time horizons. Patience and low turnover remain a more reliable edge than chasing whatever story the Dow committee is telling this quarter.
The Dow is iconic, no question about it. But its lineup choices are ultimately driven by narrative momentum, not forward-looking value. And as history keeps proving, the most profitable move is sometimes just holding what everyone else is throwing away.
Someone’s sitting in the shade today because someone planted a tree a long time ago. ― Warren Buffett.
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