LG Electronics' shares fell 4.4% on October 20, 2026, reflecting a broader market downturn. - The KOSPI index plunged 3.73% on the same day due to widespread AI investment worries and foreign investor selling. - While LG Electronics' third-quarter operating profit, announced on October 7, rose 13.5% year over year, it missed market expectations, causing an earlier share tumble of approximately 7-10%. - The decline on October 20 is more directly attributed to the prevailing negative market sentiment surrounding technology stocks and AI investment concerns.