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Applied Materials Jumps 7.7% on TSMC Expansion Plans

Applied Materials (AMAT) stock jumped 7.7% following TSMC's announcement of chip price increases and a $100 billion expansion in Arizona, underscoring strong demand for semiconductor equipment tied to AI infrastructure.

July 23, 2026
2 min read
Source: Simply Wall St.
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Key Numbers

stock jump
7.7%
90 day return
37.14%
ytd return
106.02%
tsmc arizona investment
100B

Shares of Applied Materials (AMAT) surged 7.7% on Thursday after Taiwan Semiconductor Manufacturing (TSMC) announced plans to raise chip prices and invest $100 billion in expanding its Arizona facility. The expansion is expected to boost demand for Applied Materials' semiconductor manufacturing equipment, particularly as AI infrastructure drives need for advanced chips.

Reasons for the Jump

TSMC Chip Price Increase

TSMC signaled upcoming price hikes for its chips, indicating strong demand and positive revenue outlook for equipment suppliers like Applied Materials.

$100B Arizona Investment

TSMC's $100 billion investment in its Arizona plant will require advanced manufacturing equipment, directly benefiting Applied Materials.

AI Demand Surge

The expansion comes amid rising demand for AI chips, fueling the need for new fabrication equipment.

Context

Recent Stock Performance

Applied Materials has been on a strong run, with shares up 37.14% over the past 90 days and 106.02% year-to-date, reflecting investor confidence in the semiconductor sector.

Similar Moves in the Sector

Other semiconductor equipment stocks, such as Lam Research and KLA Corporation, have also seen gains recently, driven by AI-related growth expectations.

What This Means for Investors

These developments highlight robust demand for chip-making equipment, but questions remain about whether current valuations fully reflect future growth. Investors should monitor upcoming earnings reports and guidance for a clearer picture.

Frequently Asked Questions

Applied Materials stock rose 7.7% after TSMC announced chip price increases and a $100 billion Arizona expansion.

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This article was rewritten in Wrqti's editorial style based on information from the original source above. Content is informational only — not investment advice.