China stocks mixed at midday; Shanghai Composite up 0.24%

The session's split between the Shanghai Composite's modest gain and the broader declines across Shenzhen, ChiNext, and STAR 50 hints at persistent divergence between large-cap and growth/tech segments. This matters because it suggests capital is rotating defensively rather than signaling broad risk appetite. Whether the Shanghai index can sustain its lead while smaller and tech-heavy benchmarks lag is the key observation for the afternoon.