On May 12, the Shanghai stock index fell 0.25%, the Shanghai and Shenzhen 300 fell 0.35%, the gem rose 0.17%, and the China Securities 1000 rose 0.15%. Among the 11 primary industry categories of wind11, the indexes of information technology, telecommunications services and industry increased or decreased by 0.72%, 0.53% and - 0.01% respectively.
Among the 13 wind three-level industry categories involved in the science, technology and intelligent equipment industry chain, the top three sectors are Internet software and services III, electronic equipment, instruments and components and aerospace and national defense III, with increases and decreases of 1.24%, 0.96% and 0.80% respectively; The last three sectors were energy equipment and services, media III and electrical equipment, with increases and decreases of - 0.94%, 0.13% and 0.15% respectively.
In the Internet software and service III sector, two stocks rose by the limit today, and no stocks fell by the limit. The top three stocks are Beijing Zznode Technologies Co.Ltd(003007) , Guangbo Group Stock Co.Ltd(002103) and Focus Technology Co.Ltd(002315) , with increases and decreases of 10.00%, 9.95% and 8.29% respectively; The top three stocks are Kairuide Holding Co.Ltd(002072) , Hangzhou Onechance Tech Corp(300792) and Xiamen Jihong Technology Co.Ltd(002803) , with gains and losses of - 3.79%, - 3.39% and - 2.18% respectively.
In the electronic equipment, instrument and component equipment sector, four stocks rose by the limit today, and no stocks fell by the limit. The top three Shen Zhen Australis Electronic Technology Co.Ltd(300940) , Shenzhen Infinova Limited(002528) and Streamax Technology Co.Ltd(002970) , with increases and decreases of 14.60%, 10.13% and 10.00% respectively; The top three stocks are Yingtong Telecommunication Co.Ltd(002861) , Jade Bird Fire Co.Ltd(002960) and Zhejiang Tony Electronic Co.Ltd(603595) , with gains and losses of - 8.69%, - 4.12% and - 3.75% respectively.
In the aerospace and national defense III sector, two stocks rose by the limit today, and no stocks fell by the limit. The top three stocks are Lihang technology, North Electro-Optic Co.Ltd(600184) and Beijing Starneto Technology Co.Ltd(002829) , with increases and decreases of 10.00%, 9.99% and 7.91% respectively; The top three stocks are Changsha Jingjia Microelectronics Co.Ltd(300474) , Tongyi aerospace and Wuxi Hyatech Co.Ltd(688510) , with gains and losses of - 2.80%, - 2.50% and - 1.81% respectively.
In the energy equipment and services sector, there was no stock limit or stock limit today. The top three stocks are Lanpec Technologies Limited(601798) , Suzhou Douson Drilling&Production Equipment Co.Ltd(603800) and Deshi shares, with increases and decreases of 4.89%, 3.07% and 2.57% respectively; The top three stocks are Landocean Energy Services Co.Ltd(300157) , Renzhi shares and Yantai Jereh Oilfield Services Group Co.Ltd(002353) , with gains and losses of - 2.99%, - 2.68% and - 2.43% respectively.
In the media III sector, there is no stock trading limit and no stock falling limit today. The top three stocks are ST Tengxin, Cultural Investment Holdings Co.Ltd(600715) and ST Xinwen, with gains and losses of 7.61%, 4.21% and 4.17% respectively; The top three stocks are Dasheng Times Cultural Investment Co.Ltd(600892) , St Mingcheng and China Science Publishing & Media Ltd(601858) , with gains and losses of - 4.99%, - 3.24% and - 2.99% respectively.
In the electrical equipment sector, five stocks rose the limit today and no stocks fell the limit. The top three stocks are Guangdong Dp Co.Ltd(300808) , Jiangsu Zhongli Group Co.Ltd(002309) and Jiangsu Huachen, with ups and downs of 19.98%, 10.09% and 10.03% respectively; The top three stocks are Iray Technology Company Limited(688301) , Infund Holding Co.Ltd(002141) and Jiangsu Yangdian Science & Technology Co.Ltd(301012) , with gains and losses of - 4.34%, - 4.30% and - 3.24% respectively.
