Samsung SDI is trading 4.13% lower at KRW 511,000 amid heavy foreign selling and weakness across Korean battery stocks.
- On September 29, LG Energy Solution fell 3.16%, while Ecopro and Ecopro BM also declined; the KOSPI slipped 0.27%.
- Samsung SDI announced new AI data-center battery products, including its first cylindrical LFP battery.
- No clear company-specific negative catalyst surfaced, and reports did not link the product announcement to the share-price decline.