China's A shares extended gains on Wednesday and the Shanghai stock index returned to 2,800 points. Northbound funds bought a net 1.684 billion yuan of A-shares throughout the day, including a net purchase of 959 million yuan through Shanghai Stock Connect.
The rare earth permanent magnet concept sector and the superconducting concept sector rose by 5.19% and 3.85% respectively that day. XMC Technology and Jiuling Technology increased by 30%, while China Rare Earth and Guangsheng Nonferrous Metal increased by 10%.