Hang Seng Opens 0.26% Lower at 24,282.25; Akeso Drops 6.7%

The divergence is the story: a flat-to-lower broad index alongside a much sharper biotech decline, with Akeso's drop far exceeding the sector move, points to stock-specific pressure rather than a market-wide risk event. That matters most for biotech-focused holders, since the Hang Seng Biotech Index is doing the heavy lifting on the downside while tech barely moves. Whether Akeso's weakness stays contained to the single name or bleeds into the wider biotech complex is the open question.