At the midday break, the three primary indices of A-shares demonstrated a unified upward trajectory. Specifically, the Shanghai Composite Index climbed by 0.49%, the Shenzhen Component Index advanced by 1.31%, and the ChiNext Index soared by 1.75%. The optical module sector emerged as the frontrunner in terms of gains, with Yibo Technology, Tongyu Communication, and Accelink Technologies all reaching their daily price limits. Additionally, Shenghong Technology witnessed a remarkable surge, exceeding an 11% increase. The CRO concept sector also exhibited strength, with Bide Pharmatech and Asymchem hitting their daily price limits, while Pharmaron and Medicilon experienced gains exceeding 10%. Conversely, stocks associated with stablecoins and cryptocurrencies underperformed, spearheading the declines. Fourward Tech and Chuangshi Technology, in particular, suffered drops exceeding 6%.