--- title: "Given the same macro environment for the tech sector, why are the trends in Hong Kong, US, and Korean stocks so polarized?" type: "Topics" locale: "en" url: "https://longbridge.com/en/topics/43075811.md" description: "In the same tech sector environment, why do Hong Kong, US, and Korean stocks show such divergent trends? After CXMT's IPO listing, let's break down the contrasting performance of these three markets: $Philadelphia Semiconductor ETF - iShares(SOXX.US)$ Micron Technology(MU.US)$ SK Hynix(SKHY.US). Speaking from the heart🔥! Many people only see CXMT's A-share listing surge, jumping 465.82% on the first day with a market cap breaking through 3.28 trillion! But in reality, most people don't truly understand..." datetime: "2026-07-30T11:51:40.000Z" locales: - [en](https://longbridge.com/en/topics/43075811.md) - [zh-CN](https://longbridge.com/zh-CN/topics/43075811.md) - [zh-HK](https://longbridge.com/zh-HK/topics/43075811.md) author: "[唔割韭菜](https://longbridge.com/en/profiles/27383081.md)" --- # Given the same macro environment for the tech sector, why are the trends in Hong Kong, US, and Korean stocks so polarized? In the same tech sector macro environment, why do Hong Kong, US, and Korean stocks show such divergent trends? After CXMT's IPO listing, we break down the contrasting performance of the three major markets: $iShares Semiconductor ETF(SOXX.US) $Micron Tech(MU.US) $SK Hynix(SKHY.US) To be honest🔥! Many people only see CXMT's A-share listing surge, jumping 465.82% on the first day, with its total market cap skyrocketing to 3.28 trillion! But in reality, most people don't fully grasp it. This isn't just an exclusive bull run for A-shares; it has directly triggered a massive reshuffle of global memory storage assets! The performance across US, Korean, and Hong Kong stock markets is completely polarized. With real data comparisons, the gap is obvious at a glance! ✅ Korean Stocks: The worst among the three, with the broader market crashing and triggering circuit breakers💥 Objectively speaking, the Korean stock market was hit right where it hurts! Over half of South Korea's economic lifeline relies on semiconductors. Just Samsung and SK Hynix alone monopolize over 70% of the global DRAM storage chip market share, making them the largest ballast stones for the KOSPI index. CXMT's strong entry into the A-share market marks the official start of a full-scale explosion in capacity, technology, and capital for China's domestic storage industry. The monopoly status built by Korean companies over decades is instantly shaken. Panic spreads across capital markets as various funds rush to sell and exit! The relevant data is quite shocking😱: On July 28, the Korean KOSPI fell sharply by 10.84% for the day, with intraday declines exceeding 8%, triggering a full-market circuit breaker that halted trading! Samsung Electronics plummeted 13.39% in a single day, marking its largest single-day drop in 18 years; SK Hynix plunged 14.65%. Calculated from its June highs, the stock price is nearly halved. Ultimately, this is due to the subversion of the foundation of local pillar industries, causing deep selling pressure adjustments! ✅ US Stocks: Under pressure across the board, with funds aggressively squeezing valuation bubbles📉 For a long time, the US memory sector has been dominated by oligarchs like Micron and Western Digital, enjoying high valuation premiums for years thanks to industry monopolies, making comfortable profits. But CXMT's listing directly broke the tripartite balance maintained by Samsung, SK Hynix, and Micron for years. Global memory chip production capacity increased significantly, and industry competition instantly became white-hot. Price wars could restart anytime, and the steady profit margins overseas oligarchs used to enjoy without worry have completely disappeared. Market movements reflect this very clearly👇: On the day of CXMT's listing, the Philadelphia Semiconductor Index dropped 2.23%; Micron closed down 2.25%, with an intraday low of 7%, accumulating nearly 9% loss over two days; SK Hynix US ADRs plummeted 7.47%, breaking below the $149 issue price; Sandisk fell over 11% in a single day, with a cumulative drawdown of up to 41.49% from its yearly high; Western Digital and Seagate also dropped more than 4%! This is a typical sign of monopoly premium collapse and systemic downward adjustment of industry valuations. ✅ Hong Kong Stocks: Resilient against the downturn, becoming a safe haven for global risk-averse capital🛡️ Compared to the dire situation of both US and Korean stocks crashing, HK stocks appear very stable, showing an independent counter-trend performance. The reason behind this is simple: There are no leading storage chip giants in the HK market, so they are completely unaffected by the wave of domestic substitution, naturally avoiding the risk of a broad market crash. More noteworthy is🤩: Every day, hundreds of billions in funds panic out of US and Korean stocks. With nowhere suitable to go, this hot money floods into undervalued tech stocks and blue chips in the HK market. During this round of global chip volatility, the overall volatility of HK stocks was less than 1%, making it the only mainstream market to record positive returns and absorb massive outflowing capital. ### Related Stocks - [SKHY.US](https://longbridge.com/en/quote/SKHY.US.md) - [SKHYV.US](https://longbridge.com/en/quote/SKHYV.US.md) - [WDC.US](https://longbridge.com/en/quote/WDC.US.md) - [MU.US](https://longbridge.com/en/quote/MU.US.md) - [SSNGY.US](https://longbridge.com/en/quote/SSNGY.US.md) - [SOXX.US](https://longbridge.com/en/quote/SOXX.US.md) - [STX.US](https://longbridge.com/en/quote/STX.US.md) - [SNDK.US](https://longbridge.com/en/quote/SNDK.US.md) - [688825.CN](https://longbridge.com/en/quote/688825.CN.md)