Semiconductor stocks drop 4–5% on news of CXMT technical progress
Crude oil prices rise 2.06% as markets remain cautious ahead of earnings season and inflation reports
Major Market Trends
① Reports of CXMT technical progress trigger sell-off in memory stocks
Major semiconductor stocks fell following reports that Chinese memory manufacturer CXMT has achieved significant progress in developing new chip technologies.
Micron Technology, SK hynix ADRs, and SanDisk saw declines of 4–5%, with the weakness in the semiconductor sector spreading to optical communication-related stocks.
Micron’s losses were further compounded by labor conflicts in Taiwan.
However, analysts suggest this news acts more as a signal of long-term competitive pressure rather than an immediate market-shifting event, given the limited potential for Chinese-made memory to be adopted by U.S. data centers.
② Middle East tensions push oil up 2%; bond market closed
International oil prices rose 2.06%, fueled by ongoing tensions in the Middle East, despite conflicting reports regarding a potential ceasefire at energy facilities between Russia and Ukraine.
Heightened concerns over an escalation in the Middle East were sparked by comments from President Trump regarding the possibility of involvement in the clashes between Saudi Arabia and the Houthis.
Market participants are focusing less on the military clashes themselves and more on whether actual crude oil transport or refinery facilities sustain damage, which would be the key catalyst for further price gains.
U.S. bond markets were closed for Columbus Day, resulting in limited activity in Treasury yields.
③ Wait-and-see sentiment dominates ahead of earnings and inflation data; 8 of 11 sectors gain
A cautious sentiment prevails as the market awaits earnings reports from major financial institutions like JPMorgan Chase, as well as industry bellwethers ASML and TSMC.
While corporate earnings are projected to grow by more than 30% year-on-year, high market expectations are already priced in, making the market highly sensitive to future guidance rather than historical figures.
Despite mixed index performances, eight out of 11 sectors ended the day in positive territory.
Technology heavyweights such as Apple, Microsoft, Alphabet, and Meta posted gains, though the S&P 500 and Nasdaq ended lower due to the broader sell-off in semiconductor stocks.
Editor’s Outlook
The domestic equity market continues to grapple with supply-demand imbalances in large-cap semiconductor stocks. As Samsung Electronics and SK hynix serve as the primary bellwethers for the KOSPI, their weight in the index makes them the first to react to changes in interest rates, oil prices, and foreign exchange rates.
The completion of corporate share buyback programs is also impacting current liquidity. Conversely, the memory industry outlook confirmed by Samsung Electronics’ recent earnings and the growth prospects for U.S. AI firms remain unchanged. The recent weakness in share prices is driven more by technical supply-demand factors and external variables than by fundamental shifts in the industry.
While the news of CXMT’s technical progress may put short-term downward pressure on domestic chipmakers, it is premature to view it as a factor that will fundamentally alter the competitive landscape for high-performance AI memory.
In the short term, volatility is likely to persist as the market reacts to liquidity, interest rates, and oil price fluctuations. It is advisable to monitor stocks that have maintained strong earnings momentum during this correction, alongside sectors that remain resilient or are supported by policy and investment trends.
Today’s Checkpoints
Semiconductor: Assessing the domestic impact of the CXMT technical reports and the 4–5% decline in U.S. memory stocks.
Liquidity: Foreign investor trading patterns following the conclusion of share buybacks at Samsung Electronics and SK hynix.
Oil Prices: Whether crude oil, which has surged into the $93 range due to Middle East tensions, will maintain upward momentum.
Earnings: Evaluating bank earnings, ASML, and TSMC results and their forward-looking guidance.
Key Indicators
Dollar Index: 102.58 (+0.37%)
International Oil Price: $93.74 (+2.06%)
Volatility Index (VIX): 15.21 (+2.49%)
MSCI Korea Index: -4.02%
Overnight Futures: -2.10%
Source: Sijhwangman’s Stock Story (t.me/shmstory)
YouTube: Sijhwangman TV www.youtube.com/@blueoak1004
This article is a reconstructed summary of a Telegram post by "Sijhwangman's Stock Story," produced with the author's permission. All content is subject to error and should not be construed as investment advice or a recommendation to buy or sell securities. The contents of this post cannot be used as legal evidence under any circumstances.
