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Top 1% Investors Buy SK Hynix and Samsung Names on Dip

By Stocks Desk · 2026-09-14 · 2 min read
A close-up view of a silicon wafer with a grid of square chips
Illustration: Tradingbird

Elite traders accumulated SK Hynix and Samsung Group shares during a sharp market decline, shifting funds from volatile small-cap semiconductor suppliers to larger, discounted blue chips.

The highest-returning individual investors in the Korean market acted as net buyers of SK Hynix, Samsung SDI, Samyang Foods, Samsung C&T, and Samsung Electronics during the morning session on the 14th. This accumulation occurred as the KOSPI index dropped 3.22% to 6,687.29, a decline driven primarily by a 5% plunge in SK Hynix shares to KRW 1,733,000. According to data from Mirae Asset Securities, these elite traders moved capital into these large-cap names while foreign investors sold a net 1.13 trillion won and institutions offloaded 290.4 billion won.

The selling pressure was concentrated in the electronics sector, which fell 3%, the steepest drop among all industries. Market participants attributed the volatility to hedging against rising international oil prices and interest rate concerns. Additionally, weekend comments from major global technology executives suggesting a slowdown in AI development weighed on the sentiment for domestic semiconductor stocks. In this environment, individual investors bought a net 1.27 trillion won, absorbing much of the institutional and foreign selling pressure.

Elite buyers target discounted Samsung affiliates

Samsung Group stocks dominated the top ten net buying list, with four titles occupying positions. Samsung SDI ranked second, followed by Samsung C&T in fourth and Samsung Electronics in fifth. These shares all declined between 1% and 4% during the session, prompting the top 1% returners to engage in low-priced purchases. The strategy appears to be a contrarian bet against excessive selling, leveraging the perceived undervaluation of these blue-chip stocks relative to their historical ranges.

Beyond the Samsung cluster, the elite group also accumulated positions in Samyang Foods, APR, POSCO Future M, HPSP, and BH. BH, a flexible circuit board manufacturer, was the only top-10 net buyer that strengthened, rising approximately 5%. The stock’s resilience is linked to expectations for Apple’s foldable phone launch and growth prospects in the robotics sector. This divergence highlights a selective approach where traders favored companies with specific product catalysts over those purely exposed to the broader semiconductor downturn.

Capital rotates from small-cap semiconductor suppliers

Conversely, the same group of high-performing investors acted as net sellers of Samsung Electro-Mechanics, Doosan Tesna, LS, TLB, and Jusung Engineering. Six of the top ten net sellers belonged to the semiconductor small-cap value chain, including materials and equipment makers. This behavior indicates a risk-off rotation, where traders reduced exposure to highly volatile mid-cap names to lock in gains or limit downside risk.

Samsung Electro-Mechanics, a key supplier of multilayer ceramic capacitors and package substrates, was the largest net seller. Doosan Tesna, specialized in semiconductor test equipment, ranked second. The shift from these suppliers to large-cap leaders like SK Hynix and Samsung Electronics reflects a preference for liquidity and stability during periods of heightened market uncertainty. As noted by GN stocks/chips, this trade-off prioritizes the defensive characteristics of major conglomerates over the speculative growth potential of smaller component makers.

Based on reporting by mk.co.kr, compiled by the Tradingbird desk.

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