It is more useful for investment decisions to read this batch of top-searched stocks not as a simple list of individual positive catalysts, but as the result of one large flow — AI infrastructure investment — splitting into two axes: the power grid and semiconductors. Cable and power equipment (Gaon Cable, KEPCO E&C) represent the forward demand from data centers and transmission-distribution expansion, while semiconductor components and memory (Samsung Electro-Mechanics, SK Hynix) represent computing demand itself. In other words, it can be read as a signal that capital is spreading its bets across different junctures of the same theme.
Three-Line Briefing
- Expectations of expanding AI data center power demand drew capital into cable and power-equipment stocks (Gaon Cable +15.98%).
- The HBM and high-performance memory cycle simultaneously brought the semiconductor value chain — SK Hynix and Samsung Electro-Mechanics — into focus.
- Amid a recovery in trading value, brokerage stocks such as Mirae Asset Securities rose into the top searches as a proxy indicator of market activity.
What Is Changing
The key shift is that the center of gravity of the AI investment theme is broadening from chips to power infrastructure. Because large-scale data centers consume enormous amounts of power, demand for the replacement and expansion of transformers, power cables, and transmission-distribution equipment is structurally rising. As Gaon Cable specializes in power cables and industrial wiring, it is positioned so that expectations of expanded power-grid investment translate directly into revenue momentum.
KEPCO E&C's core business is power-plant design and engineering, making it sensitive to rising power demand and the nuclear and transmission-substation investment cycle. On the other side, SK Hynix and Samsung Electro-Mechanics are stocks that feed on computing demand itself. For SK Hynix, an expanding share of high-value memory such as HBM is the path that lifts profitability, while for Samsung Electro-Mechanics, demand for MLCCs and substrates (FCBGA) — used in large quantities in servers and AI accelerators — acts as earnings leverage.
Viewing It Through Numbers and Context
On this day, based on the Lassie Trading Assistant, Gaon Cable showed strength of +15.98% and Samsung Electro-Mechanics +6.15%, followed by SK Hynix, KEPCO E&C, and Mirae Asset Securities. That said, these figures are merely a short-term price change rate at a specific point in time and a search-popularity ranking — they need to be viewed separately from confirmed fundamentals such as earnings or order bookings. The more a stock posts a double-digit sharp gain (surge), the more likely it is to come with profit-taking supply and volatility.
Beneficiary and Affected Stocks
- Gaon Cable: With a high share of revenue from power cables and industrial wiring, it sits directly on the forward end of data center and power-grid expansion demand.
- SK Hynix: An improving mix of high-value memory such as HBM lifts ASP and margins, making it a core beneficiary of AI demand.
- Samsung Electro-Mechanics: Expanding demand for high-capacity MLCCs and package substrates for servers and AI acts as leverage on utilization and profitability.
- KEPCO E&C: Given its core business in power-generation and transmission-substation design, it is tied to rising power demand and the investment cycle.
- Mirae Asset Securities: A market-sensitive stock whose brokerage commissions and trading gains improve when trading value and market turnover rise.
Risk Check
- Valuation burden from the short-term surge and the possibility of profit-taking supply emerging.
- The time lag and volatility before AI investment expectations are confirmed into actual equipment orders and bookings.
- For memory and component stocks, earnings estimates can be shaken by the global demand-inventory cycle and the exchange rate.
- Popular-search rankings are merely supply-demand (order flow) and sentiment indicators and do not guarantee a company's fundamentals.
One-Line Conclusion
The broad spread of capital across the AI power and semiconductor value chain is itself favorable, but for stocks that have surged short-term, this is a phase to check whether fundamental confirmation — order disclosures, earnings releases, and trading-value trends — follows through, while preparing for volatility.
Gaon Cable Through Real-Time Data
Gaon Cable's most recent closing price is 385,500 won (+13.05% versus the previous day), and the signal light combining foreign and institutional investor order flow with news and momentum is 🟡 Neutral · Wait-and-See. With positive and negative signals mixed, it is a zone to watch.
- ▼ Order-Flow Continuity — Foreign investors net sellers for 3 consecutive days (−16.3 billion won)
- ▼ Dual Selling — Foreign investors −16.3 billion won · institutional investors −10.3 billion won selling together
- ▲ Trend Alignment — Short- and mid-term upward alignment (same day +13.1% · 1 week +19.0% · 1 month +1.4%)
Recent related news stands at 1 positive catalyst · 0 negative catalysts, a favorable balance.
※ Price and foreign/institutional investor order-flow data are provided by Korea Investment & Securities (KIS), as of the time of publication.
This article is auto-summarized and analyzed content based on the original news. View original (Maeil Business Newspaper, Securities)
