TES on Korea Invest Insights

Korea Quality Re-Rating Watch 2026-05-13: Gigabis, TES, TLB — Earnings Inflection Where Institutional Money Is Arriving

Wed, 13 May 2026 16:30:00 +0900

Macro Dashboard — 2026-05-13

Indicator	Level	5-Day Change	Signal
KOSPI	7,844.0	+4.7%	Bullish
KOSDAQ	1,176.9	−1.9%	Flat
USD/KRW	1,490	+3.1%	KRW Weak
VIX	17.9	+5.0%	Stable
US 10Y	4.46%	+0.11pp	Rising
Brent	$108.1	+6.7%	Rising
DXY	98.5	+0.7%	Firm

Regime verdict: Korea — Neutral | US — Bull. The KOSPI has outperformed the KOSDAQ by 6.6 percentage points over five sessions, driven by large-cap defense. A strengthening won (USD/KRW +3.1% to 1,490) and elevated oil add macro friction. The regime divergence between a US Bull and a KR Neutral points toward selective, quality-focused exposure rather than broad-based risk-on.

Market Wrap — Session Character (Reference: 2026-05-08 close briefing, most recent available)

Korea’s session carried a Bull-leaning neutral character with selective risk-on pockets rather than a uniform broad advance. The large-cap index held better than it appeared on the surface — but under that, flows were sharply divergent by sector.

The leading theme was AI infrastructure hardware. Fiber-optic cable and power-transmission names dominated the tape, with the cable segment seeing breakout moves backed by strong institutional buying. 대한전선 (Korea Electric Wire) drew over ₩167.7bn in net foreign buying alongside ₩353bn institutional — a rare dual confirmation. 가온전선 (Gaon Cable) surged nearly 30%, though an RSI above 95 and a 231% gap from its 200-day MA placed it firmly in the blow-off zone.

Semiconductor flows were split. Earnings thesis for the sector remained intact — broker target upgrades and AI infrastructure narratives continued to circulate — but near-term foreign selling in Samsung Electronics (005930.KS) ran at roughly ₩2.55 trillion for the session, with program selling near ₩1.66 trillion. A price decline of just −1.1% was technically resilient given that magnitude of supply, but the immediate read is that the AI semiconductor rally is digesting rather than accelerating.

The PCB / electronics hardware cluster was the quality pocket. Daedeok Electronics (353200.KS) printed a clean day: +2.07%, with net foreign, institutional, and program buying all aligned. Samsung Electro-Mechanics (009150.KS) held its five-day gain of +10.5% with institutional defense offsetting persistent foreign and short-seller pressure (short interest ~13.3%).

Gaming and select defense names lagged. Some game names faced foreign and institutional selling simultaneously, compounding a weak relative-strength reading. Without a fresh earnings catalyst or short-cover trigger, the technical picture in those sub-sectors remained cautious.

Summary: Large-cap Korea held on AI-infra hardware and quality chip-adjacent names; KOSDAQ lagged as momentum in consumer-facing tech softened. Institutional money continued rotating toward infrastructure and earnings-inflection names.

Today’s Quality Re-Rating Candidates — 2026-05-13

Six names cleared three screeners simultaneously in today’s run. Meta screener order is used as the primary ranking, with overlap logic providing the quality confirmation layer.

Candidate Table

Meta Rank	Ticker	Name	Meta Score	Screeners Hit	Key Metrics
1	420770.KQ	기가비스 (Gigabis)	68.9	QC · SMQ · SME	ROE 7.3%, OP YoY +777%, 5d F+QI +₩15.6bn
2	095610.KQ	테스 (TES)	62.3	QC · SMQ · SME	ROE 14.5%, OP YoY +50%, 5d F+QI +₩51.5bn
3	080220.KQ	제주반도체 (Jeju Semiconductor)	62.1	QC · SMQ · SME	ROE 17.4%, OP YoY +274%, CoBuy+NetBuy
4	082920.KQ	비츠로셀 (Vitzrocell)	60.9	QC · SMQ · SME	ROE 17.2%, OP YoY +33%, foreign hold 30%
5	229640.KS	LS에코에너지 (LS Eco Energy)	55.8	SMQ · CR · SME	Consensus up revision, margin +1.8pp, 5d F+QI +₩8.7bn
6	356860.KQ	티엘비 (TLB)	54.4	CR · SMQ · SME	OP YoY +665%, margin +8.2pp, 5d F+QI +₩16.7bn

QC = Quality Compounder · SMQ = Smart Money Quality · SME = Smart Money Earnings · CR = Cycle Rerating

Top 3 Context

기가비스 (420770.KQ) — Meta Rank 1, Score 68.9 Gigabis makes automated optical inspection (AOI) equipment for PCBs and displays — a direct beneficiary of capacity expansion in AI-related printed circuit board manufacturing. It clears the Quality Compounder screen on the back of a 777% YoY operating income surge and revenue nearly doubling (+101%), with low debt (13.4% ratio) and the stock near its 52-week high. Smart Money screens confirm ₩15.6bn of net foreign plus quality-institutional buying over five days. One caution: the consensus revision screen flags a downward revision, which means the headline earnings beat is real but forward estimates are being trimmed — worth checking whether the Q1 result beat represents a pull-forward or a sustainable step change. DART shows a sales-contract filing (April 24) as the catalyst anchor.

테스 (095610.KQ) — Meta Rank 2, Score 62.3 TES manufactures CVD/ALD semiconductor deposition equipment, serving both memory and logic fabs. ROE of 14.5% and operating income growth of +50% YoY pass the Quality Compounder hurdle cleanly. What makes it stand out is the ₩51.5bn five-day smart-money flow — the largest among the top six — combined with strong RS at the 95.6th percentile. Caution: foreign holdings are just 12.9% and foreign net flow has been negative recently, with short interest at 8.7% and program selling at −9.2%. The quality-institutional flow is real but broad foreign conviction hasn’t confirmed yet. A quarterly report filed today (2026-05-13) is the immediate catalyst to check.

제주반도체 (080220.KQ) — Meta Rank 3, Score 62.1 Jeju Semiconductor designs low-power DRAM and specialty memory chips. ROE of 17.4% and operating income growth of +274% YoY deliver both quality and cycle-rerating characteristics. The stock ranks #2 on both the Smart Money Quality and Smart Money Earnings screens, with co-buying (institutional + foreign simultaneously) confirmed. Two DART risk filings in the lookback window warrant review before treating this as a high-conviction candidate — the filings relate to shareholder meeting notices rather than regulatory issues, but confirmation is recommended.

All screener data is from 2026-05-13. KR close briefing data references the most recent available session (2026-05-08). This post is market analysis only — screener names are candidates for further research, not buy or sell recommendations.

Korea Quality Re-Rating Watch 2026-05-12: VM, Gigavis, TES — Smart Money on Earnings Inflection

Tue, 12 May 2026 16:30:00 +0900

Macro Dashboard

Both Korea and U.S. market regimes are rated Bull as of May 12, 2026.

Indicator	Level	5D Change	Signal
KOSPI	7,643.1	+3.5%	Bull
KOSDAQ	1,179.3	-2.5%	Lagging
USD/KRW	1,490	+1.1%	KRW softening
VIX	18.9	+8.7%	Stable
US 10Y	4.41%	-0.01pp	Flat
Brent	$107.5	+7.4%	Rising

KOSPI is outperforming KOSDAQ by 6 percentage points over five days — a selective, large-cap-led bull rather than a broad one. KRW softening and Brent’s sharp 5-day climb add macro tail-risk worth tracking even within a bull stance.

Market Wrap (Close data from 2026-05-08; May 12 official close pending)

The May 8 session is best described as selective risk-on: the broad breadth reading was firmly constructive — KR Discovery hit 100/100 with 290 stocks passing — but the character underneath was rotational, not indiscriminate.

Sector leaders: Power cable, fiber optic, and energy infrastructure stocks dominated. Gaon Cable (가온전선) surged nearly +30% with institutional buying of over +21 billion KRW. Daehan Electric Wire (대한전선, 001440.KS) logged coordinated foreign (+167.7B KRW), institutional (+35.3B KRW), and program (+171.5B KRW) net buying in a single session — the kind of tri-party flow that signals conviction rather than momentum chasing. AI datacenter and optical networking themes repeated across brokerage and channel sources, with Daehan Fiber Optics (대한광통신) reaching RS 99.9 after a sharp multi-day rally.

Sector laggards: Gaming and select defense names underperformed. Large-cap semiconductors absorbed heavy foreign outflows: Samsung Electronics (삼성전자, 005930.KS) saw approximately -2.55 trillion KRW in foreign net selling, partially offset by +293.4B KRW of institutional buying. The stock held (-1.1%), suggesting underlying institutional demand, but the foreign supply overhang remains a near-term headwind. MLCC and components names saw split signals — institutional defense paired with ongoing foreign and short pressure.

Breadth context: KR Discovery is on Day 19 of a confirmed Follow-Through Day signal. 43.9% of stocks are above their 50-day MA; 51.6% above their 200-day MA. Conditions support stock selection, not blanket buying. The premium in large-cap KOSPI over KOSDAQ suggests rotation toward quality defensibles rather than broad speculative expansion.

Today’s Quality Re-Rating Candidates

The May 12 meta-screener and overlap analysis flag five names clearing three screeners simultaneously. The editorial lens: good businesses where institutional money is entering and the market is beginning to re-price the earnings story.

Candidate Table

Meta Rank	Ticker	Name	Meta Score	Screeners	Key Metrics
1	089970.KQ	VM (브이엠)	79.0	Quality Compounder, Smart Money Quality, Smart Money Earnings, Consensus ↑	ROE 14.8%, OP YoY +387%, 5D F+QI +₩17.8B
2	420770.KQ	Gigavis (기가비스)	72.7	Quality Compounder, Smart Money Quality, Smart Money Earnings	ROE 7.3%, OP YoY +777%, DART supply contract Apr 24
3	095340.KQ	ISC	68.5	Quality Compounder, Smart Money Quality, Smart Money Earnings, PEAD	ROE 10.5%, OP YoY +34%, Short interest 12.8%
4	095610.KQ	TES (테스)	64.8	Quality Compounder, Smart Money Quality, Smart Money Earnings	ROE 14.5%, OP YoY +50%, 5D F+QI +₩49.4B
5	082920.KQ	Vitrocel (비츠로셀)	59.1	Quality Compounder, Smart Money Quality, Smart Money Earnings	ROE 17.2%, OP YoY +33%, Foreign ownership 30%
6	218410.KQ	RFHIC	54.4	Smart Money Quality, Smart Money Earnings, PEAD	OP YoY +1,960%, RS 99, 5D F+QI +₩27.6B
7	017510.KS	Semyung Electric (세명전기)	52.7	Quality Compounder, Cycle Rerating	ROE 15.1%, OP YoY +393%, OPM +24.8pp
8	098120.KQ	Microcontact Sol (마이크로컨텍솔)	52.4	Quality Compounder, Cycle Rerating, PEAD	ROE 23.1%, OP YoY +74%, OPM +3.0pp
9	147830.KQ	Jerong Industrial (제룡산업)	48.8	Quality Compounder, Cycle Rerating	ROE 13.9%, OP YoY +159%, OPM +13.9pp

Top 3 in Focus

#1 — VM (브이엠, 089970.KQ) makes specialized semiconductor and display process equipment. It clears Quality Compounder (ROE 14.8%, OP +387% YoY, revenue +105%), Smart Money Quality (5-day foreign + quality-institution net buy +17.8B KRW), and Smart Money Earnings. A consensus upgrade revision — composite z-score +0.83 — adds a forward-looking re-pricing signal on top of the backward-looking operational improvement. No DART risk filings. The 79.0 meta score leads today’s screened universe by a clear margin. What to check next: whether estimates are being revised higher across multiple brokers and whether the 5-day institutional flow is sustained beyond a single day.

#2 — Gigavis (기가비스, 420770.KQ) makes automated optical inspection (AOI) equipment for PCBs and panels — a direct beneficiary of PCB complexity upgrades driven by AI server demand. Operating income grew 777% YoY on 101% revenue growth. Both foreign and quality-institution buying were positive over five days (+9.7B KRW net). The stock recently moved to a higher exchange tier (DART filing, April 30) and disclosed a new supply contract (April 24) — tangible sequential catalysts. One flag: consensus revision is downward, meaning forward estimates are being cut even as trailing numbers look exceptional. Market may be pricing in near-term margin peak. Watch next quarterly guidance closely.

#3 — TES (테스, 095610.KQ) manufactures semiconductor CVD/ALD deposition equipment used in memory and logic fabs. ROE 14.5%, OP YoY +50%. The 5-day F+QI inflow of +49.4B KRW is the largest in today’s cluster — a meaningful signal of institutional conviction. Short interest is moderate at 6.7%, and foreign ownership at 13.3% leaves room for incremental accumulation. Caution: the Kiwoom surface flags foreign net outflow even as quality-institution flows are positive. That divergence warrants checking whether foreign selling has genuinely paused or is ongoing beneath the institutional bid.

Honorable Mention — RFHIC (218410.KQ)

Ranked #6 by meta score, RFHIC leads all three money-flow sub-screeners: Smart Money Quality #2, Smart Money Earnings #1, PEAD Tier A #1 (score +3.54). Operating income surged +1,960% YoY; RS percentile is 99. A confirmed DART earnings disclosure (잠정실적, April 27) anchors the signal with an official catalyst. The main gap: no Quality Compounder tag, which raises the question of whether ROE and margins are durable or one-cycle. The 5-day F+QI net buy of +27.6B KRW confirms active institutional accumulation. Worth monitoring closely for the quality validation step.

Data sources: KR Meta Screener, Kiwoom Market Surface, KR Quality Compounder, KR Smart Money Quality/Earnings, KR Cycle Rerating, KR PEAD — all as of 2026-05-12T16:24 KST. Market close briefing data from 2026-05-08. This is market analysis for informational purposes only, not investment advice.