The Chip Index Is Up 66% This Year. Is Anyone Paying Attention?
The S&P 500 is up roughly 4% in 2026. The PHLX Semiconductor Sector — the benchmark index for chipmakers, ticker SOX — is up 66% in the first five months of the year. That gap is one of the clearest signals in the market right now, and most investors aren't paying attention to it.
Semiconductors are the foundation of the AI buildout. Every model that gets trained, every agent that gets deployed, every data center that gets built runs on chips. When the chip index outperforms the broader market by 62 percentage points in a single year, it means capital has figured out where the value is accumulating. The question is whether you have too.
What Earnings Week Just Confirmed
Palantir reported Q1 2026 results Monday. Revenue grew 85% year over year to $1.63 billion — the fastest growth rate in the company's history. US commercial revenue was up 133%. Net income quadrupled. The company raised its full-year guidance to 71% growth.
The stock dropped 7% the next day.
This is one of the most important lessons in AI investing: a great business and a great stock are not the same thing. Palantir's results were exceptional. But the stock trades at 94 times forward earnings — priced so far ahead of even exceptional results that any imperfection becomes a reason to sell. Understanding the difference between business quality and valuation is what separates informed investors from everyone else.
The IPO That Signals Where AI Is Heading
Cerebras — an AI chipmaker backed by Amazon and OpenAI — filed to raise up to $4.8 billion in what is expected to be the largest IPO of 2026. Cerebras builds chips specifically designed for AI inference, competing directly with NVIDIA in the market for running AI models in production.
The fact that a chip company focused on inference is the biggest IPO of the year tells you something about where the AI buildout is heading. Training the models was phase one. Running them at scale, cheaply and quickly, is phase two. That's the market Cerebras is entering — and it's large enough to support a $4.8 billion offering.
What This Means
The SOX up 60%. Palantir growing 85%. Cerebras raising nearly $5 billion. These aren't isolated data points — they're a consistent signal that the infrastructure layer of AI is generating real, measurable value. The companies building the picks and shovels of this buildout are being rewarded accordingly.
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