A lot happened this week. The Fed cut rates and five of the Mag 7 delivered earnings, sending the major indexes to new all-time highs before volatility returned again.

We’ve now hit the 36th all-time high this year.

And as I’ve said again and again, all-time highs are not something to fear. They’re one of the most bullish signals the market can give. Markets don’t make new highs in weak environments. And markets that make new highs tend to continue making new highs.

The Nasdaq was up more than 4% for the second month in a row, marking its seventh straight monthly gain. The S&P 500 and the Dow also extended their winning streaks to six months. For the Dow, that’s the longest stretch since 2018.

But this streak won’t last forever. It will eventually end. When they do end, the pullback often comes quickly because long stretches of strength can make investors overconfident and complacent. That complacency is usually what creates sharp corrections.

November is historically one of the strongest months of the year. It’s positive about 70% of the time and holds the highest average monthly return across the calendar. But it gets even more interesting when you look at how November behaves after a strong year.

When the market comes into November already up 15% or more year-to-date, November and December they tend to outperform. In those scenarios November has averaged a 2.7% gain vs the usual 1.9%. And even more impressive: the November–December stretch has finished higher 20 out of the past 21 times when that happened.

On the surface, the major indices look great. Prices are well above their 200-day moving average, momentum is positive, and the market has largely shrugged off any negative headlines. But when you look beneath the surface, the picture is starting to look a little less convincing.

Fewer and fewer stocks are participating in the rally. Right now, only about half of S&P 500 stocks are trading above their 200-day moving average. That’s the weakest breadth reading since May. In other words, the trend is still up, but it’s being carried by a smaller group of stocks.

That doesn’t break the bull case, but it does make the market more sensitive to any weakness in the leaders.

That was surprising on its own. But this next piece is even more so.

The number of stocks hitting 52-week lows is now the highest it’s been since April. And that’s happening while the major indices are sitting near all-time highs. Those two things usually don’t occur together.

You may see dramatic headlines about the Hindenburg Omen being triggered. It sounds like a crash alarm, but it’s really not that dramatic. All it means is that a lot of stocks are hitting new highs and a lot are hitting new lows at the same time while the market is still in an uptrend. In simple terms, it’s just another sign that breadth is weakening.

Yes, the signal has appeared before major corrections. But it has also shown up many times when nothing significant followed. But it’s a reminder that the market is being driven by fewer names, and that makes it more fragile. And volatility near-term wouldn’t surprising at all.

Tech is the only sector that has actually outperformed the S&P 500 over the past six months. And it is not just slightly ahead. It is leading by a very wide margin.

And there’s a reason for that.

Tech companies have seen profit margins break out to new highs. Non-tech companies, on the other hand, saw margins peak a while ago and drift back to normal. That gap in profitability explains a lot of what we’re seeing in price: tech breaking out, everything else lagging.

Most sectors are lagging the S&P 500, which means the market is still leaning heavily on tech to carry this bull run. Even with talk of rotation and broadening, the leadership remains very concentrated.

And now you are also seeing investors who missed the move earlier in the year start chasing what has already worked. They are buying the strongest names not because they are cheap, but because they are trying to catch up on performance before the year ends.

It’s truly a bifurcated market right now.

But investors are not just being selective across sectors. They are being selective within sectors as well. The market is rewarding strength and punishing weakness hard. We saw that this week: Meta and Microsoft were sold off on mixed results, while Google and Amazon were bid up on stronger numbers. The market is not giving companies the benefit of the doubt right now. Investors are not tolerating even the slightest miss.

Everyone is crowding into the winners, and the laggards are being left behind. That is exactly what makes leadership even narrower.

Even though most of the Mag 7 have already reported, there are still plenty of market-moving earnings coming up this week.

The trend is still positive. Seasonality is supportive. Earnings are positive. Global deals are being made. There is still a clear path higher, and the broader backdrop for equities remains constructive. But there is weakness under the hood.

That does not end a bull market, but it does mean the next phase likely requires either rotation into more sectors or a period of consolidation to reset. This is not bearish. It’s simply how healthy uptrends behave after a strong run. Pauses and digestion are part of the process. Hence, it’s more important than ever to be selective in the very best names. The market is rewarding strength and punishing weakness quickly. There is very little room for mistakes or “good enough” results.