Large-scale investment into artificial intelligence infrastructure is rippling through global markets, especially in China, driving sharp gains in AI-related stocks, semiconductors, and exchange-traded funds (ETFs). This signals that the next phase of the AI boom is firmly underway.
During trading on Wednesday, January 21st, 2026, on the Shanghai Stock Exchange, AI chipmakers and memory chip companies emerged as some of the strongest performers, lifting broader artificial intelligence indices higher. By mid-morning, China’s AI-themed benchmark index had climbed more than 2 per cent, reflecting renewed investor confidence in companies that sit at the core of AI’s hardware and computing backbone.
AI-focused exchange-traded funds are also feeling the momentum even more strongly. The Artificial Intelligence ETF managed by Wanjia rose over 2 per cent in a single session and has now recorded net capital inflows for three consecutive trading days. In total, more than one billion yuan has flowed into the fund over this period, an unmistakable signal that institutional investors are repositioning for long-term AI growth.
Behind the rally is a global acceleration in AI infrastructure spending. Major technology firms are no longer just developing models; they are racing to secure the physical capacity needed to run them at scale. Meta, for instance, has reportedly launched a dedicated unit to coordinate global data-centre partnerships, with ambitions to build computing capacity measured not in megawatts, but in tens and eventually hundreds of gigawatts over the coming decade.
In parallel, demand for specialised AI computing is surging. U.S-based AI hardware firm Cerebras recently secured a multibillion-dollar computing contract linked to OpenAI, underscoring how the world’s leading AI developers are locking in long-term access to high-performance infrastructure.
For investors, the implications are clear. AI is no longer speculative software. Instead, it is becoming an infrastructure, akin to the early days of cloud computing or mobile networks. That shift places renewed emphasis on semiconductor manufacturers, memory suppliers, data-centre enablers, and the ETFs that bundle these players together.
As governments, tech giants, and financial markets converge around AI as a strategic priority, capital is following fast. The current surge in AI-related stocks and ETFs may be less about short-term hype and more about a global bet on the physical foundations of the AI-driven economy.
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