Yunnan Lincang Xinyuan Germanium Industrial's shares rose by more than 30% over the past five trading days. About a week ago on July 3 , China's Commerce Ministry announced export restrictions on germanium and gallium would take effect on Aug. 1. The two metals, which China produces most of the world's supply of, are used in the manufacture of chips, fiber optics or solar panels. A significant amount goes overseas. Between 2018 and 2021, just over half of U.S.
China's latest export curbs follow sweeping U.S. export restrictions in October to limit Chinese businesses' access to advanced semiconductor technology. Other than a few companies, there's "no real impact on the business for most of the semiconductor companies either for China or the U.S.," said Greg Ye, co-founder and managing partner of Delta Capital, which claims about 7 billion yuan in assets under management.