Hong Kong close, June 22 (Mon): Hang Seng Index (HSI) down 156.29 pts (-0.65%) at 23,768.52; Hang Seng Tech Index down 54.94 pts (-1.19%) at 4,549.41; China Enterprises Index (HSCEI) down 61.30 pts (-0.77%) at 7,914.74; Red‑Chip Index down 50.03 pts (-1.25%) at 3,959.56.

On Monday SK Hynix briefly surpassed Samsung Electronics after its shares jumped 5.7% and its market value reached KRW 2,082.5 trillion (about $1.35 trillion); Samsung rose 0.4% to KRW 2,081.3 trillion. Samsung had held the top spot since 2000. The move reflects a surge in memory-chip demand from US tech giants building AI data centers, tighter supply and rising prices; both Korean chipmakers reported record profits. Year-to-date SK Hynix has gained more than 340%, versus roughly 200% for Samsung.

深成指漲超1%，滬指漲超0.3%。