US semiconductor stocks plunge / Samsung, SK announce $950 billion semiconductor cooperation with big tech, what is the impact on the Korean stock market?

[July 27 #BeforeMarketOpen] US semiconductor stocks plunge / Samsung, SK announce $950 billion semiconductor cooperation with big tech, what is the impact on the Korean stock market?
Watch on YouTube ↗  |  July 27, 2026 at 00:51  |  3:17:25  |  815 Money Talk (815머니톡)
Speakers
Lee Ju-hyeon — Director, Xangle
Kim Hyeong-cheol — CEO, Kim Hyung-chul Research Institute
Kim Tae-seong — Division Head, Xangle
Lee Kwon-hee — CEO, Economist
Park Hyun-sang — Deputy Head

Summary

The video discusses the recent plunge in US tech stocks and its impact on the Korean market, focusing on the massive $950 billion AI infrastructure investment announced by SK and Samsung in collaboration with US big tech. The panel analyzes the implications of these investments for the semiconductor, power infrastructure, and IT service sectors, while also addressing market volatility driven by big tech earnings and macroeconomic data.

  • US tech stocks experienced a sharp correction, driven by concerns over big tech's free cash flow and AI capex sustainability.
  • SK Group and Samsung announced massive AI infrastructure and memory supply partnerships with Nvidia, Broadcom, and Anthropic.
  • Naver secured a $10 billion investment MOU from Nvidia and Brookfield to fund its 10GW AI data center expansion.
  • The AI data center buildout is expected to drive sustained demand for power equipment, renewable energy, and construction companies.
  • Apple is reportedly pressuring its component suppliers to cut prices to offset rising memory chip costs.
  • Despite extreme retail investor fear, experts suggest the market is forming a bottom, with opportunities in undervalued KOSDAQ sectors and large-cap tech.
Ideas
Lee Ju-hyeon Director, Xangle 16:50
SK Telecom leads AI data center theme.
SK Telecom is at the forefront of the AI data center theme, having established a dedicated subsidiary and partnered with Nvidia for a 2GW data center, making it a prime beneficiary of the massive infrastructure buildout.
Lee Ju-hyeon Director, Xangle 21:58
Nvidia investment eases Naver's data center capex.
Naver is receiving a $10 billion investment from Nvidia and Brookfield, which significantly eases the massive capex burden for its planned 10GW AI data centers. The stock is attractive in the low 200,000 won range with a target of 300,000 won.
Lee Ju-hyeon Director, Xangle 25:00
SK Eternix is too extended for entry.
SK Eternix has surged too much as a pure-play renewable energy supplier for AI data centers, making its current valuation burdensome for new entries, though existing holders can maintain their positions.
Lee Ju-hyeon Director, Xangle 25:50
AI data centers drive power infrastructure demand.
The construction of AI data centers requires massive power infrastructure and renewable energy, directly benefiting construction and cable companies like Samsung E&A, SK Ocean Plant, Daewon Cable, and LS Electric.
Lee Ju-hyeon Director, Xangle 25:50
AI data centers drive power infrastructure demand.
US tariff changes against Mexico could pose a long-term risk for Korean power equipment makers like Hyosung Heavy Industries, HD Hyundai Electric, and LS Electric, as their main competitors are Mexican factories, though the current impact is limited.
Lee Ju-hyeon Director, Xangle 27:26
Buy large-cap IT over small crypto stocks.
Instead of investing in small crypto or stablecoin stocks, it is better to buy large-cap IT service and data center plays like Samsung SDS, LG CNS, or Naver, which also benefits from its Dunamu stake momentum.
Kim Hyeong-cheol CEO, Kim Hyung-chul Research Institute 39:15
Take profits on defense and oil stocks.
Defense and oil/refinery stocks have been strong due to geopolitical risks, but with oil prices dropping and Trump signaling a de-escalation, these sectors are ripe for profit-taking.
Kim Hyeong-cheol CEO, Kim Hyung-chul Research Institute 43:51
Apple's strong FCF protects from capex concerns.
Apple is outperforming other big tech companies because it operates with a tight capex budget and strong free cash flow, making it less vulnerable to the current market concerns over massive AI infrastructure spending.
Kim Hyeong-cheol CEO, Kim Hyung-chul Research Institute 45:00
Market is rotating into US Financials, Pharma.
US Financials and Big Pharma are showing strong earnings and solid stock performance as the market rotates away from tech into defensive and value sectors.
Lee Ju-hyeon Director, Xangle 83:53
Apple component suppliers face severe margin pressure.
Apple is pressuring its component suppliers to cut prices to offset the high cost of memory chips, meaning iPhone parts and foldable supply chain companies will likely face severe margin pressure and lower earnings expectations.
Kim Tae-seong Division Head, Xangle 102:00
Custom AI chips boost test socket demand.
As AI chip architectures become more customized (ASIC) by companies like Broadcom, the testing process becomes more complex and time-consuming, benefiting post-process test socket companies like LEENO Industrial, which trades at an attractive PER below 40.
Kim Tae-seong Division Head, Xangle 102:00
Custom AI chips boost test socket demand.
As AI chip architectures become more customized (ASIC) by companies like Broadcom, the testing process becomes more complex and time-consuming, benefiting post-process test socket companies like LEENO Industrial, which trades at an attractive PER below 40.
Kim Tae-seong Division Head, Xangle 107:07
Monitor tariff risks for Korean power equipment.
US tariff changes against Mexico could pose a long-term risk for Korean power equipment makers like Hyosung Heavy Industries, HD Hyundai Electric, and LS Electric, as their main competitors are Mexican factories, though the current impact is limited.
Lee Kwon-hee CEO, Economist 113:30
Memory shortage is real, buy Samsung, Hynix.
The market's concern over big tech's free cash flow and memory peak-out is overblown; the AI memory shortage is real, and Samsung Electronics and SK Hynix will continue to benefit from massive AI data center investments.
Lee Kwon-hee CEO, Economist 122:23
Samsung Heavy benefits from floating data centers.
Samsung Heavy Industries is the cheapest among shipbuilders and has strong growth expectations from FLNG projects and potential floating data centers designed to bypass land-based power constraints.
Lee Kwon-hee CEO, Economist 123:14
DI offers comfortable entry amid earnings growth.
DI is in an unquestionable earnings growth phase due to the mass production of its inspection equipment, making it a comfortable buy at current levels.
Lee Kwon-hee CEO, Economist 126:34
Rising MLCC prices benefit Samsung Electro-Mechanics.
Samsung Electro-Mechanics is benefiting from rising MLCC prices, and major Taiwanese peers in the value chain are receiving target price upgrades, signaling a positive sector trend.
Lee Kwon-hee CEO, Economist 132:26
ALTEOGEN and PharmaResearch show strong market resilience.
ALTEOGEN defended its stock price very well during the market plunge, and PharmaResearch is recovering its supply and demand, making both attractive biotech picks.
Park Hyun-sang Deputy Head 176:50
Extreme retail fear signals a KOSDAQ bottom.
The extreme fear and capitulation by retail investors signal a market bottom, and the broad-based rebound in KOSDAQ sectors like biotech, robotics, and secondary batteries indicates a trend reversal.
Park Hyun-sang Deputy Head 189:29
Foreigners buy undervalued Woori and Korean Air.
Foreign investors are buying undervalued, out-of-favor sectors like Woori Financial Group and Korean Air during this volatile market, indicating a preference for value and earnings stability.
Up Next

This 815 Money Talk (815머니톡) video, published July 27, 2026, features Lee Ju-hyeon, Kim Hyeong-cheol, Kim Tae-seong, Lee Kwon-hee, Park Hyun-sang discussing 017670.KS, 035420.KS, 475150.KS, 100090.KS, 028260.KS, 006340.KS, 010120.KS, 018260.KS, ITA, Oil/Refinery, AAPL, XLF, US Pharmaceuticals, Apple supply chain, 058470.KQ, 095340.KQ, 298040.KS, 267260.KS, 005930.KS, 000660.KS, 010140.KS, 003160.KS, 009150.KS, 196170.KQ, 214450.KQ, KOSDAQ, 003490.KS, 316140.KS. 20 trade ideas extracted by AI with direction and confidence scoring.

Speakers: Lee Ju-hyeon, Kim Hyeong-cheol, Kim Tae-seong, Lee Kwon-hee, Park Hyun-sang  · Tickers: 017670.KS, 035420.KS, 475150.KS, 100090.KS, 028260.KS, 006340.KS, 010120.KS, 018260.KS, ITA, Oil/Refinery, AAPL, XLF, US Pharmaceuticals, Apple supply chain, 058470.KQ, 095340.KQ, 298040.KS, 267260.KS, 005930.KS, 000660.KS, 010140.KS, 003160.KS, 009150.KS, 196170.KQ, 214450.KQ, KOSDAQ, 003490.KS, 316140.KS