Cramer Warns AI Makes Diversified Portfolios More Concentrated

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Summary · why it matters

Jim Cramer warned on Mad Money that AI exposure is making even supposedly diversified portfolios more concentrated, reclassifying Caterpillar as a data center stock after its Power Generation revenue surged 29% and shares rose 90% over the past year. He suggested TJX and Wells Fargo as replacements to balance exposure, noting that true diversification requires separating end-market drivers, not just sector labels. Caterpillar reported its first-ever $20 billion sales quarter in Q2 2026, with revenue of $20.54 billion, up 23.98% year over year, and adjusted EPS of $8.17 versus a $6.20 estimate. The company's backlog expanded $9 billion sequentially to $72 billion, with some orders placed as far out as 2030. Cramer's point extends to other names: Generac's data center backlog hit $1.6 billion, Cisco took $4 billion of hyperscaler AI infrastructure orders in Q4 FY26, and Micron, up 227.94% year to date, reported fiscal Q3 revenue of $41.5 billion. The takeaway is that Caterpillar's data center exposure can reinforce an existing AI bet rather than offset it, so adding a name like TJX could reduce concentration without abandoning technology holdings.

Impact on stocks 8

Artificial Intelligence▲ · 3 stocks
Cisco Systems Inc
CSCO
▲ PositiveDemandrelevance

Cisco took $4 billion of hyperscaler AI infrastructure orders in Q4 FY26.

Energy Transition & Power Demand▲ · 2 stocks
Caterpillar Inc
CAT
▲ PositiveDemandrelevance

Power Generation revenue surged 29% and backlog expanded to $72 billion, driven by data center demand.

Semiconductors▲ · 1 stocks
Micron Technology Inc
MU
▲ PositiveDemandrelevance

Micron reported fiscal Q3 revenue of $41.5 billion, up 227.94% year to date.

Consumer Discretionary▲ · 1 stocks
Financials▲ · 1 stocks

Theme Impact 3

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