The Q1 2026 print was supposed to settle the bull-bear debate. Read carefully, it does — just not in the direction the headline suggests.

S&P 500 earnings grew 28.6% year-over-year with 97% of companies reported. That's the strongest quarter since Q4 2021, the sixth consecutive quarter of double-digit growth, and more than double the 13.1% analysts expected when the quarter closed on March 31. Net profit margins hit 14.8% — an all-time high in FactSet's records going back to 2009, surpassing the previous 13.2% peak set just one quarter earlier. 85% of companies beat EPS estimates, the highest beat rate since Q2 2021.

Read those numbers out loud and the rational response is to lever up.

Read them carefully and the response is to look at how much of your portfolio sits inside two tickers.

Here's what happens when you start opening the hood.

The S&P 500's Information Technology sector grew earnings 54.3% in Q1. Strip out NVIDIA and Micron and that number drops to 30.1%. Still excellent. But two companies just accounted for nearly half the sector's earnings growth.

Communication Services is worse. Reported growth: 48.9%. Strip out Alphabet and Meta and the number flips to a 4.1% decline. Two stocks aren't carrying the sector — they are the sector's earnings story. Everything else inside Communication Services shrank in a quarter that supposedly produced record-shattering profitability.

Now layer on what FactSet has flagged as a separate issue: the upside surprise from the 13.1% pre-quarter estimate to the 28.6% actual print was driven disproportionately by three Magnificent 7 names with large one-off GAAP items — Alphabet's equity gains on marked-to-market holdings, Amazon's paper gains on its Anthropic stake, and a tax benefit at Meta. Strip those windfalls and analysts estimate underlying growth closer to 15–18% rather than 28.6%. Still an acceleration off the 2025 run rate. Not a regime change.

So what you're being sold as a broad earnings boom is, on inspection, a Nvidia story, a Mag 7 story, and three accounting items at three companies. The other 493 names are growing — but they're growing the way mid-cycle earnings normally grow. Financials posted roughly 15%. Not the historic breakout the headline implies.

The arithmetic problem starts with how you own the market.

SPY currently allocates roughly 7.6% to NVIDIA alone and 6.7% to Apple. The Magnificent 7 — NVIDIA, Apple, Microsoft, Alphabet, Amazon, Meta, Tesla — total approximately 32% of the fund as of late Q1. The top 10 holdings: 38.6%.

The Invesco S&P 500 Equal Weight ETF (RSP) holds the same 500 companies. Same names. Same earnings. Same fundamentals. In RSP, those same seven mega-caps command 1.4% combined.

32% versus 1.4%. That gap is the entire argument in two numbers.

When you buy SPY today, you're not buying "the US economy." You're buying a leveraged bet that NVIDIA's gross margins keep expanding, Microsoft's Azure capex cycle pays off, and Meta's ad-load story keeps compounding — dressed up in the language of broad equity diversification. That bet has been correct for three years running. It may stay correct for another three. But it should be a conscious bet, not a hidden one.

RSP is up 9.67% year-to-date versus SPY at 8.38%, and the gap has widened in recent weeks. Over the past month, RSP added 2.49% while SPY was essentially flat at -0.08%. That's a small sample, but it's the first time in years the equal-weight index has consistently led.

The longer-term context matters here. According to RBC Wealth Management, the three-year relative outperformance of cap-weight over equal-weight has now surpassed the dot-com peak. That doesn't predict reversal — the Mag 7 are dramatically more profitable than the 1999 darlings ever were. But whatever historical reference point you use for "extreme concentration," we are now past it.

There are two ways to read the RSP/SPY rotation that started in early 2026.

One: it's noise. Mag 7 earnings are real, AI capex is real, and a couple of months of equal-weight outperformance is profit-taking after a multi-year run. The trade returns to mega-caps by year-end.

Two: it's the early phase of a breadth regime change. Mega-cap dominance fades, leadership broadens, and a portfolio that owns 500 stocks equally starts to earn what the headline index pretends to earn.

I won't tell you which plays out. I'll tell you what's on the table: an all-time-high 14.8% net margin, a forward P/E of 20.9 (above both 5-year and 10-year averages), three accounting one-offs juicing the headline print, two stocks single-handedly carrying a sector's earnings growth, and the largest cap-weight/equal-weight concentration gap on record. Every one of those is a setup for mean reversion. Timing is the only thing unknowable.

If you think the rotation is real — or just want to hedge the possibility — there are three clean ways to express it.

RSP (Invesco S&P 500 Equal Weight, 0.20% expense) is the simplest. Same 500 names as SPY, equal weight, rebalanced quarterly. Sector exposure looks completely different: Industrials at 16%, Financials at 15%, Tech at 14% — versus roughly a third of SPY in Tech alone. You give up momentum in exchange for diversification and a built-in buy-low/sell-high discipline. RSP wins when leadership broadens. It loses when a narrow group of mega-caps drives the tape.

EQWL (Invesco S&P 100 Equal Weight, 0.25% expense) stays in mega-cap land but kills the lopsided weighting. NVIDIA, Apple, and Microsoft each sit at roughly 1% rather than the 6–8% they get in standard large-cap funds. This is the right vehicle if you want to remove single-stock risk without dropping down the market-cap ladder.

EUSA (iShares MSCI USA Equal Weighted) goes further, including mid-caps. Broader universe. More diversification. More cyclical exposure. Higher beta to broadening breadth, but a tougher hold in any risk-off rotation.

The cleanest play for most readers isn't an either/or. Keep a core SPY or VOO position for liquidity and tax efficiency, layer a 20–30% sleeve in RSP, and rebalance annually. You give up nothing in index exposure — you own the same companies. You just stop being implicitly 32% long the Mag 7.

Be honest about it.

If NVIDIA's data center revenue keeps compounding, if AI capex translates into the next leg of margin expansion across enterprise software, and if the Fed avoids hikes long enough for the AI build cycle to fully play out, cap-weighted indices will keep beating equal-weighted ones — possibly by a lot. That is exactly what's happened for three years. The bet against it has been wrong every quarter.

The risk on the other side is asymmetric. If Mag 7 multiples compress even modestly, SPY drops 10–15% while the median S&P 500 stock barely moves. Concentration cuts both ways. Investors discovered that in 2022. They forgot it in 2024.

The Q1 print is real. The margins are real. The earnings growth is real. But "the market" earned 28.6% the way the average American earns U.S. GDP — by being statistically combined with a small number of outliers.

Two stocks made a sector's earnings growth. Three accounting items lifted the index headline. Seven companies are 32% of the fund.

You can own the headline. You can own the underlying. With the gap this wide, they are no longer the same trade.

DISCLAIMER: None of this is financial advice. This newsletter is strictly educational and is not investment advice or a solicitation to buy or sell any assets or to make any financial decisions. Please be careful and do your own research.