Chip Frenzy and Tech Breakthroughs: What's Driving the South Korean Stock Market Craze? Will China Be the Next to Party?
- Dr Frederick Wong

- Jul 4
- 4 min read

In recent years, the global stock market has staged a thrilling "wealth roller coaster." The most dramatic among them is the South Korean stock market, which has suddenly transformed from a marginalized outsider into the world's sixth-largest stock market, with countless young people red-eyed and frantically pouring their money into it.
What exactly is happening behind the scenes? And will the Chinese stock market truly be the next to take the baton? Let's break it down for you using the simplest logic.

I. The Frenzy of the South Korean Stock Market: Holding the "Exclusive Ticket" to the AI Era
Imagine global tech giants (Microsoft, Google, Apple, Nvidia) are currently hosting a super luxurious "AI Party of the Century." This party requires massive amounts of supercomputers (computing power) to support it.
At this moment, South Korea's two major giants—SK Hynix and Samsung—have stepped up because they hold the exclusive patent tickets to the party: HBM (High Bandwidth Memory) chips.
1. What is HBM? Why is everyone scrambling for it?
You can think of standard memory as a "regular single-lane road" where too many cars (data) cause traffic jams. HBM, on the other hand, is like an "8- or 12-story super 3D elevated highway." Nvidia's most powerful AI chips must be paired with these South Korean "elevated highway" chips to unleash their full potential. Because only South Korea can mass-produce them globally, tech giants worldwide have no choice but to line up with cash in hand, begging to buy them.
2. The "Ant Army" and Major Government Reforms
Seeing the massive profits from chips, South Korea's 14 million ordinary retail investors (locally known as "ants") couldn't sit still. Believing this to be a "once-in-a-lifetime opportunity to get rich," they borrowed money, leveraged up, and rushed into the stock market to subscribe to IPOs and trade stocks, driving semiconductor stocks to surge and crash like cryptocurrencies. Coupled with the South Korean government's timely reforms to penalize large conglomerates (chaebols) that treat shareholders poorly, foreign investor confidence surged, ultimately igniting the frenzy in the South Korean stock market.
II. Shifting Focus: Will the Chinese Stock Market Be the Next AI Frenzy Battlefield?
As the South Korean stock market begins to fluctuate due to intense scrambling and stock prices hitting their peaks, global investors are turning their eyes to the neighboring Chinese stock market.

If South Korea's craze is about "building AI hardware for all of humanity," then China's impending frenzy is a "forced technological breakthrough." There are three main reasons for this:
1. The Shockwave of "DeepSeek"
Previously, when the US restricted the export of high-tech chips to China, everyone thought China's AI was doomed. However, China birthed open-source large models like DeepSeek. Using incredibly smart algorithms (mathematical architecture optimization), they managed to achieve results rivaling top US AI using cheaper, older chips!
This opened the market's eyes: China can forge its own AI path without relying on top-tier chips. This instantly ignited capital confidence in Chinese tech stocks (such as Alibaba, Tencent, Baidu, etc.).
2. The Unique Madness of A-Shares: Even "Diamonds" Can Be Linked to AI?
In the Chinese stock market (A-shares), as long as a technology is linked to AI, its stock price will go crazy.
Take the coolest example—"diamond cooling": AI supercomputer chips generate so much heat when running that they could boil water. The market suddenly realized that industrial synthetic diamonds are the fastest heat-conducting materials in the world.
As a result, Chinese companies that originally made synthetic diamond jewelry or industrial whetstones suddenly became the "ultimate heat dissipation saviors for AI chips." Over the past few months, several niche diamond material stocks have seen their prices double in just a few days because of this "AI heat dissipation narrative"! This exemplifies the rapid spread of capital frenzy when searching for new tech themes.
3. An End to Vicious Competition; Leading Enterprises Start Making Money
In the past, China's tech and manufacturing sectors loved engaging in "price wars" (involution), undercutting each other so much that no one made money. Now, the Chinese government has begun to regulate and prohibit vicious price-cutting, allowing many leading enterprises in power equipment, servers, and green energy chips to finally earn normal profits. As profits increase, investors naturally rush to buy their stocks.
III. What's the Difference, and How Should You View It?
To summarize the frenzy of both in one sentence:
The South Korean stock market's frenzy: It is the "top-tier gig worker" for global AI. When US tech giants make big money and give it orders, it goes crazy; if the US hesitates, it gets nervous.
The Chinese stock market's future frenzy: It is a "practitioner mastering peerless martial arts behind closed doors." Because it is contained, it must make its own chips, build its own data centers, and develop ultra-efficient software like DeepSeek.
Understanding this trend, you will realize: in the future world, technological strength isn't just about advanced chip manufacturing. Whoever can solve the power consumption and heat dissipation problems brought by AI (like diamond cooling technology), and whoever can write great software using the smartest methods (algorithm optimization), will be the next tech superstar frantically chased by capital in the stock market!
Reference:
Korea’s Stock Market Is Forecast to Set Fresh Highs | Goldman Sachs
Foreigners dump Asia stocks at record pace as AI winners get crowded https://www.thestandard.com.hk/finance/article/336147/Foreigners-dump-Asia-stocks-at-record-pace-as-AI-winners-get-crowded
ETF Market Movement | Korea-Tracking ETFs Rise Collectively as KOSPI Index Surpasses 9,000 for the First Time; Goldman Sachs Expects Current Memory Cycle to Last Significantly Longer Than Previous Cycles
The S&P 500 Is Forecast to Climb as Earnings Growth Powers Stocks Higher | Goldman Sachs
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