Section 1 — Macro Dashboard
KRX was closed on May 5 (Children’s Day). All price data reflects the May 4 close. The macro regime reads Bull/Bull for Korea and the US.
| Indicator | Level | 5-Day Change | Signal |
|---|---|---|---|
| KOSPI | 6,937.0 | +4.9% | Bullish |
| KOSDAQ | 1,213.7 | −1.0% | Flat |
| USD/KRW | 1,474 | +0.1% | Stable |
| VIX | 17.8 | −5.4% | Risk-on |
| US 10Y | 4.45% | +0.09pp | Watching |
| Brent | $113.3 | −0.6% | Elevated |
| DXY | 98.5 | +0.5% | Stable |
Regime verdict: KR Bull · US Bull · Stance: Aggressive expand. Large-cap breadth (65.9% above 50-MA) remains healthy; the 5.9pp gap between KOSPI outperformance and KOSDAQ weakness signals selective rather than broad-based buying.
Section 2 — Market Wrap
Because May 5 is a national holiday, there is no new session to close. The narrative below is drawn from the May 4 close and the risk inputs that accumulated during the holiday gap.
Market character (May 4): Selective strength around large-cap quality. The session was not a uniform rally — semiconductor and power-grid infrastructure names attracted concentrated foreign and institutional buying, while platforms and momentum laggards were sold. The KOSPI’s +4.9% five-day advance versus the KOSDAQ’s −1.0% tells the story: index heavyweights and genuine earners did the work; speculative small-caps broadly gave back ground.
Leading themes:
Memory / HBM: The strongest pillar. SK Hynix (000660.KS) logged ₩3.2 trillion in net foreign-plus-institutional buying over five sessions, and the US read-across confirms the thesis — Micron closed +6.3% and Sandisk +5.8% during the holiday gap, keeping the HBM supply-demand story intact. Samsung Electronics (005930.KS) also attracted ₩3.7 trillion in combined institutional and foreign inflows over the same window, with margin expansion of +2.2pp YoY reinforcing the cycle recovery.
Power infrastructure: The second pillar, though volatility here is sharper. Boseong Powertec (006910.KS) surged +18.8% in the days preceding the holiday. Sanil Electric (062040.KS) added +30% at the peak. Names in this cluster are functioning as high-beta cycle plays on global grid capex, not compounders — the distinction matters for holding period. The Hormuz and UAE geopolitical flare-up during the holiday pushed Brent above $113 and US 30-year yields above 5%, both of which are net positives for energy infrastructure but headwinds for high-PER growth and platform names.
Brokerage / risk-on gauge: Samsung Securities (016360.KS) printed +28.3% with volume surging to the top of the exchange. Mirae Asset Securities (006800.KS) attracted ₩134.6bn in five-day smart money flows. Brokerage strength is consistent with the bull regime but is best read as a risk-on thermometer rather than a structural earnings story.
Weak areas: Platform and internet (NAVER and peers) saw simultaneous institutional and foreign selling. The pattern is consistent with a macro rotation out of long-duration growth into earners with visible cycle leverage. High-PER names face additional pressure from the US 30-year yield pushing above 5%.
Holiday gap risk to watch on May 6: The Hormuz/UAE situation, WTI at $105+, the 30-year yield spike, and NDF USD/KRW trading around 1,475 will need to be absorbed when KRX reopens. The key question is whether semiconductor and power-infrastructure money flows sustain or whether the geopolitical risk triggers a flight-to-safety rotation. Aggressive follow-through chasing is inadvisable; the first priority on May 6 is confirming whether institutional and foreign co-buying in semiconductors continues.
Section 3 — Today’s Quality Re-Rating Candidates
The meta-screener ranked 150 tickers and surfaced 20 names with sufficient signal overlap to warrant editorial attention. The framework stacks four layers: (1) business quality (Quality Compounder), (2) institutional and foreign money flow (Smart Money Quality), (3) earnings cycle re-pricing (Cycle Rerating), and (4) earnings catalyst timing (Smart Money Earnings + PEAD). Names appearing in three or more screeners lead. Today’s data is from the May 5 re-run; because the exchange was closed, treat new price signals with caution — focus on the flow and fundamental signals.
Top Candidates — Ranked Table
| Rank | Ticker | Name | Meta Score | Screener Hits | RS% | Key Metrics |
|---|---|---|---|---|---|---|
| 1 | 000660.KS | SK Hynix | 100.0 | QC · SMQ · CR · SME · CU · Kiwoom (6) | 98.1 | ROE 44%, OP YoY +101%, 5d F+I +₩319.5bn |
| 2 | 006910.KS | Boseong Powertec | 85.3 | QC · SMQ · CR · SME · Kiwoom (5) | 96.2 | ROE 20%, OP YoY +458%, 5d F+I +₩5.1bn |
| 3 | 062040.KS | Sanil Electric | 74.5 | QC · SMQ · SME · Kiwoom (4) | 97.3 | ROE 29%, OP YoY +64%, margin +2.9pp |
| 4 | 005690.KS | Pharmicell | 74.4 | QC · SMQ · SME · Kiwoom (4) | 81.1 | ROE 38%, OP YoY +630%, 5d F+I +₩12.1bn |
| 5 | 005930.KS | Samsung Electronics | 70.9 | SMQ · CR · SME · PEAD · Kiwoom (5) | 94.4 | OP YoY +33%, 5d F+I +₩374.3bn, margin +2.2pp |
| 6 | 307930.KQ | Company K | 50.8 | QC · CR · Kiwoom (3) | 86.0 | ROE 9%, OP YoY +197%, margin +23.6pp |
| 7 | 006800.KS | Mirae Asset Securities | 48.9 | SMQ · SME · Kiwoom (3) | 97.9 | 5d F+I +₩134.6bn, OP YoY +61% |
| 8 | 080220.KQ | Jeju Semiconductor | 48.4 | QC · SMQ · SME · Kiwoom (4) | 95.5 | ROE 19%, OP YoY +274% — net 5d F+I −₩30.6bn (caution) |
| 9 | 402340.KS | SK Square | 48.2 | QC · CR · Kiwoom (3) | 99.1 | ROE 38%, OP YoY +124%, 6 DART catalysts — net F+I −₩78.3bn (caution) |
| 10 | 071050.KS | Korea Investment Holdings | 41.7 | SMQ · CR · SME · Kiwoom (4) | 90.4 | CR #1, OP YoY +96%, op leverage spread 89pp |
QC = Quality Compounder · SMQ = Smart Money Quality · CR = Cycle Rerating · SME = Smart Money Earnings · CU = Consensus Up Revision
Deep Dive — Top 3
#1 · SK Hynix (000660.KS) · Meta Score 100.0
SK Hynix is Korea’s leading DRAM and NAND manufacturer and the world’s largest supplier of High Bandwidth Memory (HBM) chips used in AI accelerators. It is the only name today to trigger all six signal layers simultaneously: quality compounder fundamentals (ROE 44.1%, operating margin 48.6%, operating income YoY +101%), strong institutional and foreign co-buying (₩319.5bn net over five sessions), meaningful cycle margin expansion (+13.1pp), an upward consensus revision, and post-earnings drift momentum. The Micron and Sandisk moves during the holiday gap provide a favorable US read-through for the HBM demand narrative. The one flag to check: DART flagged one risk-category filing (자기교환사채만기전취득결정 — early acquisition of exchangeable bonds before maturity), which warrants a read but is unlikely to be thesis-breaking. What to verify next: May 6 CoBuy continuity; whether foreign buying sustains into the NDF-implied 1,475 KRW/USD open.
#2 · Boseong Powertec (006910.KS) · Meta Score 85.3
Boseong Powertec manufactures structural metal products and steam-generating equipment for power plants and industrial facilities — effectively a picks-and-shovels play on Korea’s grid capex cycle. The earnings story is dramatic: operating income +458% YoY, revenue +91%, with margin expanding +11.9pp — a classic operating leverage inflection. The stock appeared in four screeners (Quality Compounder, Smart Money Quality, Cycle Rerating, Smart Money Earnings), ranking #3, #2, #17, and #5 respectively — consistent multi-layer confirmation. Price strength has been extreme (+18.8% in the run-up, +30% at cycle peak), so the primary May 6 task is not chasing but checking whether the move has produced an upper shadow or distribution. DART shows only one recent neutral filing (exchange transfer). What to verify next: Volume ratio and candlestick structure on the May 6 open; whether institutional buying continues or distributes into retail FOMO.
#3 · Pharmicell (005690.KS) · Meta Score 74.4
Pharmicell is classified under electronic parts manufacturing but operates as a specialized materials and bioprocessing company. The numbers are striking: ROE 38.3%, operating income +629.8% YoY, and five-day net institutional-and-foreign inflow of ₩12.1bn — ranking #1 in Smart Money Quality and #2 in Smart Money Earnings. The stock appeared in three screeners (Quality Compounder, Smart Money Quality, Smart Money Earnings), clearing each at scores of 0.923, 0.869, and 0.881 respectively. Relative strength sits at 81.1 — solid but not yet at the top of the market, suggesting the re-pricing may still be in early innings. DART shows only one recent neutral filing (large shareholder disclosure). No DART risk flags. What to verify next: Whether the operating income surge reflects a one-time contract or a durable margin shift; the DART large-shareholder filing and its direction of change.
Screener data as of 2026-05-05 15:54 KST. KRX was closed today (Children’s Day); price signals reflect May 4 close. All flow data is five-day cumulative. This post is a screener-based research queue, not investment advice.