China's curbs on shipments of germanium and gallium, which are used to make chips, have led to an almost 2x increase in prices in Europe over the past year (Financial Times)

Financial Times:
China's curbs on shipments of germanium and gallium, which are used to make chips, have led to an almost 2x increase in prices in Europe over the past year  —  Western customers say restrictions on supply could hit production of advanced microprocessors and optical products