Buzzberg Cup Live
#664 Alpha Score 29.7

Son Soo-hyun

Private Banker, Hana Securities Yongsan WM Center
· tracked since May 2026
664
BUZZBERG Alpha Score combines three things: realized average return, confidence in the sample size, idea volume, and speaker reputation. Speakers with only a few calls are pulled closer to the platform average; speakers with many evaluated ideas keep more of their own return. Reputation only boosts: 5.0 or lower is neutral, while scores above 5 add weight. Scores are normalized to 0-100; 100 is best. Read the FAQ
Alpha Score 29.7
Calls
10
Win Rate
30.0%
return
-3.6%
Calls 10 7 Posts tracked · 0.1/day
Calls
7d 0
30d 5
90d 10
Best Calls
000660.KS long +18.7%
NVDA long +2.7%
005930.KS long +1.6%
Worst Calls
012450.KS long -21.2%
009150.KS long -18.0%
079550.KS long -9.2%
Most Mentioned
Recent Calls
KS long 2 weeks ago
EWY long 2 weeks ago
KOSDAQ long 3 weeks ago
Win Rate 30% Long 10 Short 0
Win Rate
7d 70%
30d 60%
90d
Average Return -3.6% Long Return -3.6% Short Return -
Average Return
7d +3.9%
30d +15.1%
90d
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Result
Result
Sort
Theme Stance
Ticker
Side
Mentions
Opened
Entry
P&L
Thesis
Theme
Source
Long
May 18
$1836000.00
+18.7%
Buy Samsung Electronics and SK Hynix.
Semiconductor earnings are surging with DRAM and HBM prices rising, foreign selling is temporary, and the dip is a buying opportunity for Samsung Electronics and SK Hynix, which are must-hold long-term positions driven by robust profit growth.
AI Memory
Long
May 18
$280500.00
+1.6%
Buy Samsung Electronics and SK Hynix.
Semiconductor earnings are surging with DRAM and HBM prices rising, foreign selling is temporary, and the dip is a buying opportunity for Samsung Electronics and SK Hynix, which are must-hold long-term positions driven by robust profit growth.
Other
Long
Jun 15
$1931000.00
-18.0%
AI substrate and MLCC bottleneck play.
Samsung Electro-Mechanics is attractive due to its leadership in AI server substrates and high-cap MLCCs, where a supply bottleneck is clear until 2028. AI server substrates require larger areas, higher layer counts, and stringent thermal/power conditions, areas where Samsung excels. High-reliability MLCC demand is also tightening. Analyst price targets range from 210,000 to 300,000 won, and despite recent gains the upside remains open, making current levels a good entry point.
AI Hardware
Long
Jun 15
$179800.00
-1.2%
Front-end equipment stocks benefit from capex upcycle.
Semiconductor front-end equipment stocks are compelling as the industry shifts from price increases to a volume-driven capex cycle. Major chipmakers have clear expansion plans, with SK hynix aiming to double capacity in 5 years, potentially tripling within 3-4 years. Equipment companies enjoy high operating leverage as fixed costs are spread over large-scale orders, rapidly improving margins. Current sentiment is dominated by DRAM price momentum, making front-end equipment more favorable than back-end. Specific names include VM (etching), TES and Wonik IPS (deposition), and PSK (photoresist removal).
Foundry Equipment
Long
Jun 25
$197.26
-7.2%
KOSPI to rise today and long-term.
The speaker expects the KOSPI index to perform well today and remains positive long-term, supported by semiconductor strength.
Equity Indexes
Long
Jun 15
$30.72
-0.9%
Front-end equipment stocks benefit from memory capex
Front-end semiconductor equipment stocks, especially VM, and also Wonik IPS, PSK, and Tes, are in a strong position as memory makers shift from price-led (P-cycle) to volume-driven (Q-cycle) growth, triggering massive capacity expansion (e.g., SK Hynix Yongin cluster). Equipment vendors will see order growth, improving margins through operating leverage. She prefers front-end over back-end for the near-to-medium term because DRAM is currently the focal point.
Bonds & Rates
Long
Jun 15
$2750.00
-1.3%
Front-end equipment stocks benefit from capex upcycle.
Semiconductor front-end equipment stocks are compelling as the industry shifts from price increases to a volume-driven capex cycle. Major chipmakers have clear expansion plans, with SK hynix aiming to double capacity in 5 years, potentially tripling within 3-4 years. Equipment companies enjoy high operating leverage as fixed costs are spread over large-scale orders, rapidly improving margins. Current sentiment is dominated by DRAM price momentum, making front-end equipment more favorable than back-end. Specific names include VM (etching), TES and Wonik IPS (deposition), and PSK (photoresist removal).
Other
Long
Jun 08
$205.10
+2.7%
NVIDIA pullback is buying opportunity.
NVIDIA's recent pullback is a buying opportunity because the capacity reduction rumor (96GB) is not a sign of demand weakness but a supply-driven adjustment to broaden the customer base. The long-term AI demand cycle remains intact, and similar past corrections (e.g., the Turbo controversy) were followed by significant rebounds. Jensen Huang's recent comments that AI stocks are still cheap further support this view.
AI Compute
Long
May 18
$1227000.00
-21.2%
Hanwha Aerospace as Korean Lockheed Martin.
Hanwha Aerospace has the potential to become a Korean Lockheed Martin by integrating aerospace and defense, with US approval for K9 exports as a catalyst; the recent dip from margin disappointment is temporary and the stock remains attractive.
Defense
Long
May 18
$825000.00
-9.2%
LIG Nex1 undervalued on order backlog.
LIG Nex1 is undervalued relative to its order backlog; its Cheongung missile system offers cost and lead-time advantages over Patriot, and global defense spending growth supports a strong upside.
Defense
Showing 10 of 10 picks ยท sorted by mentions

Son Soo-hyun has 10 trade ideas tracked on Buzzberg across 10 tickers since May 2026. Ranked #664 on the Buzzberg Alpha leaderboard. Most covered: 000660.KS, 005930.KS, 009150.KS.