Hong Kong-listed stocks linked to upcoming share lock-up expirations came under heavy selling pressure, with several high-profile names posting sharp losses.

Knowledge Atlas and GigaDevice plunged about 20%, while Iluvatar CoreX fell nearly 19%. MiniMax dropped about 10%, and Biren Tech declined about 8%.

The broad-based weakness reflects investor concerns over potential share supply increases following lock-up expirations, weighing on sentiment across the sector.