[KRX deadline | October 15] KOSPI plunged 7.57%... Foreign net sales of KRW 3.7 trillion

Spreading concerns about US prices and profitability of AI infrastructure… Large semiconductor stocks plunge, KOSPI falls for 7 consecutive trading days, KOSDAQ falls for 6 consecutive trading days... Both markets are weak at around 7%

On the 15th, the domestic stock market, KOSPI and KOSDAQ both plummeted. As the selling force expanded, centered on large semiconductor stocks, the KOSPI fell to the 5,500 level, and the KOSDAQ also retreated to the 760 level.

According to the Korea Exchange, KOSPI ended trading at 5,554.22, down 454.59 points (7.57%) from the previous trading day. KOSDAQ closed at 760.82, down 63.06 points (7.65%). The won-dollar exchange rate ended weekly trading at 1,344.6 won, up 6.3 won from the previous trading day.

KOSPI started lower due to concerns about rising interest rates due to the US price index and skepticism about the profitability of AI infrastructure. While major Asian stock markets also showed weakness, foreign selling, especially in the electrical and electronics industries, led to a plunge of around 7%.

By industry, electricity and electronics fell 10.1%, medical and precision equipment fell 8.9%, machinery and equipment fell 8.4%, and securities fell 6.0%. Large-cap stocks fell 7.9%, mid-cap stocks fell 3.8%, and small-cap stocks fell 2.9%.

In terms of supply and demand, Foreign Investors net sold 3.6638 trillion won, while institutions and individuals net bought 1.6877 trillion won and 1.3233 trillion won, respectively. Foreign Investors net sold 3.1994 trillion won in electricity and electronics, 183.4 billion won in finance, and 93.5 billion won in machinery and equipment.

In KOSDAQ, most stocks showed weakness as investment sentiment weakened due to negative external factors. By industry, machinery and equipment and non-metals fell 11.7%, and electricity and electronics fell 9.6%, respectively. Foreign Investors net bought 219 billion won, while institutions and individuals net sold 164 billion won and 67.1 billion won, respectively.

Strong individual stocks amid sharp decline

Raon Secure (042510) rose 14.01% as it was selected as the lead agency for the government's physical AI security technology development project. S1 (012750) rose 13.89% due to a plan to tender 450 billion won worth of treasury stock and cancel existing holdings.

Samsung BioLogics (207940) rose 5.50% on expectations for third quarter performance, and KT&G (033780) rose 3.96% on expectations of performance improvement due to the growth of the overseas tobacco business.

Duchem Bio (176750) rose 30.00% to the upper limit due to the prospect of increased demand for radiopharmaceuticals for dementia diagnosis following expectations of domestic approval of Eli Lilly's Alzheimer's disease treatment 'Kisunra'.

As expectations continued for the postponement of the follow-up delisting process, Newintech (012340) rose 30.00% and Bioinfra (199730) rose 29.98%, hitting the upper limit.

Hyper Corporation (065650) rose 29.82% on expectations of a paid-in capital increase allocated to a third party worth 11 billion won and a change in the largest shareholder. SM Bexel (010580) rose 18.91% on the news of securing battery manufacturing technology for low-orbit satellites.

Melcon (179880), which was newly listed on the KOSDAQ market on this day, finished trading at 17,470 won, 42.03% higher than the public offering price of 12,300 won.

Semiconductor and power equipment stocks plummet

SK Hynix (000660) fell 11.06% due to concerns about the profitability of AI infrastructure investment. Samsung Electronics (005930) fell 9.48% amid concerns about interest rates rising due to the U.S. price index.

Samsung Electro-Mechanics (009150) fell 15.36% due to weakening investment sentiment in global technology stocks. Hyosung Heavy Industries (298040) fell 14.71% due to expectations of poor performance in the third quarter due to one-off costs in the construction sector.