Pfizer (PFE.N) reversed earlier gains and traded about 1% lower in pre-market trading.

China A-shares traded in a wide range below the prior close at midday after early volatility: ChiNext (創業板指) dropped over 2% on the open, briefly turned positive, then weakened again; the STAR 50 index fell more than 3% intraday. At the midday close Shanghai Composite -0.71%, Shenzhen Composite -0.16%, ChiNext -0.94%. Turnover on the two exchanges exceeded 9.0 trillion yuan and more than 3,300 stocks were up. Sector moves: cinema chains and cultural media extended gains; gaming and pork were among top advancers and batteries remained active. AI compute-hardware, CPO and storage chips showed weakness; oil shipping and innovative drugs were notably under pressure.

A-share pork sector rallied in afternoon trade; Juxing Nongmu advanced over 6%, Shennong Group rose more than 5%, with Muyuan Foods and Huatong shares also higher.