SK Hynix has closed bookbuilding for its ADR offering, which seeks to raise capital to expand high-bandwidth memory production and fund new facilities.

Samsung Electronics and SK Hynix shares fell as investors questioned the sustainability of AI-related infrastructure spending and memory chip demand.

Samsung Electronics announced record-breaking quarterly profits driven by demand for memory chips, but shares dropped as analysts pointed to investor skepticism.

The Kospi index rose on Monday as investors shifted focus toward semiconductor manufacturers, bolstered by positive sentiment surrounding chipmaker sales.