Group 1 - Institutional research enthusiasm remains high, particularly in the machinery and computer sectors, with electronics and machinery equipment industries leading in the number of institutions surveyed over the past five days [2][7] - From January 26 to January 30, Jingzhida received the most institutional surveys, totaling 170, following a significant contract signing worth 1.311 billion yuan for semiconductor testing equipment [3][5][6] - Over 600 companies have been surveyed by institutions this year, with Dajin Heavy Industry receiving the highest number of surveys at 209 [3] Group 2 - The top ten A-share companies by the number of institutional surveys this week include Jingzhida, which received 170 surveys, and Ninebot Company, which received 160 [5][9] - The machinery and electronics sectors have seen increased attention, with a notable focus on the semiconductor testing equipment market, highlighting Jingzhida's competitive position in the domestic supply chain [6][7] - Ninebot Company is focusing on electric motorcycles as a core growth driver, with sales of electric motorcycles surpassing electric bicycles since 2025, indicating a strong growth trend in the two-wheeler market [12]