If you only looked at the major indexes, July appeared to be a relatively uneventful month. The Dow and S&P 500 finished essentially flat, while the NASDAQ declined 3.2%. Beneath the surface, however, there was plenty of movement.

 

The biggest story was the sudden volatility in AI-related investments. Several of this year’s strongest-performing areas—including semiconductors, memory chips, and AI infrastructure—came under heavy selling pressure. At one point, every company in the Philadelphia Semiconductor Index was trading below its 50-day moving average, and the index nearly entered bear market territory.

 

It’s a good reminder that even the strongest investment themes don’t move higher in a straight line.

This month’s pullback highlights why diversification remains one of the most important principles of investing. Headlines often make it feel like one sector is driving the entire market, but a well-diversified portfolio helps ensure that short-term weakness in one area doesn’t derail your overall investment plan.

 

As Mitch Zacks of Zacks Investment Research said, “Diversification is not just about reducing exposure to volatility. It is about maintaining exposure to different sources of return when leadership shifts, so that portfolio returns can smooth out over time.”

 

We continue to believe artificial intelligence is one of the most important long-term investment themes. The recent volatility doesn’t change that view. Instead, it reminds us how difficult it is to predict the path of emerging technologies and how quickly market leadership can change. Despite July’s pullback, semiconductor equipment stocks remain up 89.3% this year, while data center REITs have gained 39%.

 

The long-term investment story also remains compelling. U.S. private investment in artificial intelligence reached approximately $285 billion in 2025—more than 20 times the amount invested in China—showing that innovation and capital continue to flow into this space.

 

The current U.S. economic expansion is now the sixth-longest on record. If the economy avoids a recession in 2026, this expansion will move into the top five longest in U.S. history.

 

The Federal Reserve left interest rates unchanged in July at 3.50% to 3.75%, although the vote was not unanimous. The Fed also pointed to continued tensions in the Middle East as an important source of economic uncertainty.

 

Markets also got their first look at how new Fed Chair Kevin Warsh may communicate with investors. Unlike his predecessor, Jerome Powell, Chair Warsh suggested he may provide less forward guidance, leaving markets to rely more heavily on incoming economic data.

 

Inflation remains above the Fed’s target, with June’s reading of the Fed’s preferred inflation measure coming in at 3.3%. At the same time, second-quarter GDP grew at 1.5%, reflecting an economy that continues to expand, but at a slower pace.

 

While July’s headline numbers looked fairly quiet, there was much more happening beneath the surface. Leadership shifted, volatility returned to some of the market’s hottest sectors, and investors were reminded that even strong long-term trends can experience short-term setbacks.

 

The best response is rarely to chase what’s working or abandon what’s struggling. Instead, we remain focused on building diversified portfolios that can participate in long-term growth while helping manage risk along the way. Markets will always have periods of uncertainty, but those periods often create opportunities for disciplined investors who stay focused on their long-term goals.

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