By midday, China indexes were weaker: Shanghai Composite -1.64%, Shenzhen
Component -3.70%, ChiNext -4.71%. Power names swung higher after a weak open,
with multiple stocks hitting daily limit‑up and several up >10%. Ports and
shipping strengthened, led by Haitong Development and China Merchants Port.
Securities showed selective gains, including a limit‑up in Xiangcai. CRO
(contract research) stocks sharply retraced, with multiple names at limit‑down
and several down more than 10%. Co‑packaged optics (CPO) concept stocks extended
losses; several optical‑fiber and related names hit limit‑down and many fell
>10%.