#55
Alpha Score 93.6
Kim Tae-seong
Division Head, Xangle
Visual Insights
Data-driven breakdowns of mentions and mindshare
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Ticker
Side
Mentions
Opened
Entry
P&L
Thesis
Theme
Source
Long
May 06
$169.42
+83.3%
The rise of multiple AI model providers (OpenAI, Anthropic, etc.) increases demand for ASICs. Broadcom and Marvell are top-tier ASIC designers whose customers are expanding rapidly. Their strong backlog and guidance justify ownership despite recent run-ups.
AI/Semi
Long
May 13
$268500.00
+31.8%
Samsung Electronics and SK Hynix are undervalued relative to Korean semiconductor equipment stocks, which have run up too far; rotate from equipment to these two.
AI/Semi
Long
May 26
$1482000.00
+53.2%
Samsung Electro-Mechanics is benefiting from AI-driven demand for MLCC, substrates, and silicon capacitors, with strong momentum and earnings growth.
AI/Semi
Long
May 20
$1721000.00
+60.6%
The upcoming 2x leveraged ETF for Samsung Electronics and SK Hynix (listing on May 27) will create substantial demand. The best entry point is late Tuesday (May 26) afternoon, as ETF rebalancing flows should push the stocks higher.
AI/Semi
Long
May 06
$344.98
+12.9%
Optical communication companies Lumentum, Coherent, and Nokia are surging on strong earnings and guidance, driven by AI data center demand for optical transceivers.
Photonics
Long
May 06
$921.10
-7.7%
Optical communication is a critical bottleneck for AI data centers. Lumentum and Nokia are direct beneficiaries: Lumentum's revenue grew 90% YoY, EPS 300%, and Nokia's stock has doubled in two months. Guidance remains strong, confirming the structural growth story.
Photonics
Long
Jun 17
$251000.00
+3.2%
Power infrastructure is in a multi-year supercycle driven by AI data center electricity demand and US grid replacement; Korean heavy-electrical firms have record order backlogs (46.6 trillion won combined) and are expanding US capacity, making them a safer play when chip stocks consolidate.
Energy
Long
Jun 17
$1102000.00
-2.2%
Power infrastructure is in a multi-year supercycle driven by AI data center electricity demand and US grid replacement; Korean heavy-electrical firms have record order backlogs (46.6 trillion won combined) and are expanding US capacity, making them a safer play when chip stocks consolidate.
Energy
Long
Jun 17
$3826000.00
+0.8%
Power infrastructure is in a multi-year supercycle driven by AI data center electricity demand and US grid replacement; Korean heavy-electrical firms have record order backlogs (46.6 trillion won combined) and are expanding US capacity, making them a safer play when chip stocks consolidate.
Energy
Long
Jun 16
$175300.00
-2.9%
The Trump administration is preparing a bill to allow automatic substitution of biosimilars to lower drug prices ahead of the midterm elections. This regulatory easing makes biosimilar companies like Samsung Biologics and Celltrion attractive alternatives if investors want to diversify away from tech stocks, supported by recent foreign inflows.
Healthcare
Long
Jun 10
$225.42
-4.0%
As tech stocks face heightened volatility due to macroeconomic events and liquidity shifts, investors should diversify their portfolios by adding high-dividend defensive stocks like AbbVie and Johnson & Johnson.
Healthcare
Long
Jun 10
$381.78
+7.3%
For AI data centers and on-device AI, Marvell Technology is preferred over Broadcom due to its specialized optimization, alongside infrastructure plays like Dell Technologies.
AI/Semi
Long
Jun 10
$173.94
+12.1%
As Agentic AI focuses heavily on processing speed, optical communication companies like Corning, Coherent, and Lumentum will see increased structural demand.
Photonics
Long
Jun 10
$237.00
-3.6%
As tech stocks face heightened volatility due to macroeconomic events and liquidity shifts, investors should diversify their portfolios by adding high-dividend defensive stocks like AbbVie and Johnson & Johnson.
Healthcare
Long
Jun 10
$465.27
-2.1%
In the semiconductor design software space, Synopsys is preferred over Cadence due to its explosive growth in order backlog heading into the second half of the year.
AI/Semi
Showing 15 of 39 picks · sorted by mentions
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Kim Tae-seong has 39 trade ideas tracked on Buzzberg across 39 tickers since May 2026. Win rate 64% across 39 evaluated calls, average return +14.3%. Ranked #55 on the Buzzberg Alpha leaderboard. Most covered: MRVL, 005930.KS, 000660.KS.