Group 1 - The top three companies with the highest short positions are Vanke Enterprises (02202), COSCO Shipping Holdings (01919), and Heng Rui Medicine (01276), with short ratios of 18.48%, 16.79%, and 15.54% respectively [1][2] - The companies with the largest absolute increase in short positions are CATL (03750), Lens Technology (06613), and UBTECH Robotics (09880), which increased by 2.35%, 2.34%, and 1.29% respectively [1][2] - The companies with the largest absolute decrease in short positions are Changfei Optical Fiber (06869), Mao Ge Ping (01318), and Meilan Airport (00357), which decreased by -1.26%, -0.68%, and -0.67% respectively [1][2] Group 2 - The latest short ratio for Vanke Enterprises (02202) is 18.48%, down from 19.04% previously [3] - The latest short ratio for COSCO Shipping Holdings (01919) is 16.79%, down from 16.79% previously [2] - The latest short ratio for Heng Rui Medicine (01276) is 15.54%, up from 3919.30 million shares to 4011.67 million shares [2]