New trading rules implemented by the Shanghai, Shenzhen, and Beijing stock exchanges have led to significant changes in market activity. These changes include an expansion of post-market fixed-price trading, an adjustment to the daily price fluctuation limits for stocks designated as ST (Special Treatment), and optimizations for fund trading and block trading. Concurrently, a separate study has introduced a novel conductive ink that can be painted onto the skin, enabling the creation of customizable, washable wearable sensors for monitoring biological signals. AI
RANK_REASON The cluster discusses new regulatory policies affecting stock exchanges and a research breakthrough in wearable technology. [lever_c_demoted from significant: ic=1 ai=0.1]
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