JUN · ISSUE 27 · July 1, 2026

ZOOM IN

The index rose, the market didn't

The S&P 500 gained +1.1% on Monday. The equal-weight S&P, where every company counts the same, managed just +0.25%.

S&P 500

+1.1%

weighted by size

EQUAL-WEIGHT

+0.25%

every company equal

RUSSELL 2000

-0.17%

small caps sat it out

THE NUMBER

the index rose 4 times more than the average stock

The S&P 500 weights by size, so seven megacaps move the whole number. The equal-weight treats every company the same and barely budged. That gap, 4 to 1, is the proof Monday's rally belonged to very few.

DATA

THE GAP

4x

▲ index +1.1% vs average +0.25%

It's like the whole class scraping a pass, but the average pulled up by four straight-A students. The headline misleads.

The weighted index rose four times more than the average stock. The whole difference is signed by seven names.

WEIGHTING: — Giving larger companies a bigger share of the index.
RALLY: — A sustained rise in price over a session or period.

TAKE

WHY IT MATTERS

A narrow index is a fragile index

“A rally signed by only seven stocks isn't strength, it's dependence. The day those seven rest, nothing holds the index up.”

Ronfy Analysis · Editorial

If the rise depends on a few stocks, one stumble can turn the whole index. Breadth is the seatbelt.

ROTATION: — When money moves from some sectors into others.
LEADERSHIP: — The group of stocks pulling the market at a given moment.

BREADTH

WHO ROSE

Four ways to measure the same Monday

The further right and lower you go, the fewer megacaps. The real market, the average company, barely moved.

Same day, four different portraits. The distance between them is the breadth, or the lack of it.

NASDAQ: — An index loaded with big tech. Sensitive to the megacaps.
RUSSELL 2000: — Index of small US companies. It measures the pulse of the broad market.

THE SPLIT

7 vs 493

Who did the work on Monday

THE 7 MEGACAPS

The ones that signed the rally

They draw money in the reverse rotation out of semiconductors.
Their sheer size drags the weighted index on their own.
Amplified by quarter-end rebalancing flows.

THE OTHER 493

The market that stood still

Together they barely added: equal-weight +0.25%.
Small caps (Russell) even closed in the red.
Without them, there's no healthy or lasting rally.

The S&P 500 is 500 companies. On Monday, seven moved the weight. Here are the two sides.

QUARTER-END: — Portfolio rebalancing that concentrates flows into certain stocks.
REVERSE ROTATION: — Money returning to the megacaps after passing through other sectors.

COMPOSITION

WHERE IT CAME FROM

Where that +1.1% came from

7 MEGACAPSThe bulk of the gain75%

REST THAT ROSEA modest add from the rest15%

STOCKS THAT FELLA drag, mostly small caps10%

Three quarters of the gain in seven names. Healthy would be a far more even circle. Illustrative split.

An illustrative split of who delivered the index's gain. Most of the muscle came from very few.

MARKET CAP: — A company's total stock-market value (price x number of shares).
SMALL CAP: — A small-value company. It tends to lead when the market is broad.

WATCHLIST

6 KEY ETFs

Six ETFs to measure breadth

SPY	742.10	▲ +1.1%	Weighted S&P 500. The headline you see in the news.
RSP	182.40	▲ +0.25%	Equal-weight S&P. The real market, every company equal. Barely moved.
QQQ	612.80	▲ +1.8%	Big tech. Where the megacaps weigh the most.
IWM	224.50	▼ -0.17%	Small caps (Russell 2000). In the red: the broad market didn't follow.
MAGS	61.30	▲ +2.0%	A basket of the megacaps. The session's single engine.
SMH	298.70	▼ -0.9%	Semiconductors. The money left here in the reverse rotation.

Compare these six and you'll see the breadth with your own eyes. Each tells part of the story. Approximate prices.

ETF: — A listed basket that tracks an index or group of assets.
DIVERGENCE: — When two gauges that should move together split apart (index vs breadth).

WRAP

Did this briefing help?

Next time you see '+1.1%' in the headline, you know what to ask: how many stocks signed it?

One carousel a day, Monday to Friday. Another headline, another concept you actually understand.

Daily briefing · Mon-Fri 16:00 ET

BREADTH: — How many stocks actually take part in a rally.
EQUAL-WEIGHT: — An index where every company carries the same weight.

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