Nvidia and OpenAI's $100 billion deal sparks global chip stock rally
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Nvidia and OpenAI's $100 billion deal sparks global chip stock rally

Why This Matters

Key Nvidia-linked stocks including TSMC and SK Hynix were higher after the $100 billion OpenAI deal.

September 23, 2025
12:25 PM
2 min read
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In this articleNVDA your favorite stocksCREATE FREE ACCOUNTNurphoto | Nurphoto | Getty ImagesMajor global semiconductor stocks rose on Tuesday after Nvidia announced plans to invest $100 billion in OpenAI.The deal between Nvidia and OpenAI is on a large scale.

The artificial intelligence lab plans to build and deploy Nvidia systems that require 10 gigawatts of power, which is equivalent to 4 million and 5 million graphics cessing units, or GPUs, according to Nvidia CEO Jensen Huang.The news sparked a rally on Wall Street, with positive sentiment flowing through to the global chip sector and especially touching companies with ties to Nvidia.In Taiwan, s of Taiwan Semiconductor Manufacturing Co., which manufactures chips for Nvidia, closed 3.5% higher.In South Korea, SK Hynix, whose memory chips are used in Nvidia's systems, saw its s end the session more than 2.5% higher.

Rival Samsung also closed up 1.4%.

Samsung does not yet supply Nvidia with its high-bandwidth memory chips, but are hoping that the company will gain the green light to do so imminently.Equipment suppliers, such as Tokyo Electron which is listed in Japan, was also higher at the close of trade in the country."Ultimately this is a broad market with lots of suppliers.

It certainly isn't a zero-sum game with only one winner, and indeed it appears investors are recognising that," Ben Barringer, global nology analyst at Quilter Cheviot, told CNBC."While this deal may be negative in the short-term for Nvidia's competitors, it is a sign that the AI trade is a a and well."watch now5:3805:38Implications as Nvidia pumps $100B into OpenAISquawk Box EuropeThe chip stock rally in Asia ed through to Europe, where the picture was nevertheless a little more mixed.STMicro, Infineon and BE Semiconductor were all higher in early trade in Europe.However, semiconductor equipment firm ASM International said it expected its fourth-quarter revenue to come in below previous expectations, sharply weighing on s.

The news also dragged down other chip equipment names such as ASML, whose machines are required to manufacture the most advanced semiconductors in the world."In Europe, the strengthening of the AI ecosystem is particularly beneficial to equipment manufacturers" including ASML and ASMI, "which will all benefit at some point from solid demand from TSMC who is the manufacturer of NVIDIA advanced chips," Stephane Houri, head of equity re at ODDO BHF, said in a note to clients Tuesday.

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