** Shares of U.S. semiconductor wafer maker AXT Inc AXTI.O
rise 13.4% to $3.98 premarket
** Co said late on Monday it would seek permits to keep
exporting gallium and germanium substrate products from China,
after Beijing abruptly imposed export controls on the metals key
to chipmaking
** California-headquartered AXT, which has manufacturing
facilities in China, said its Chinese subsidiary Tongmei would
immediately proceed to apply for the permits
** The controls mark the latest salvo in an escalating war
over access to high-tech microchips between Beijing and the
United States and come as Washington mulls new restrictions on
the shipment of high-tech microchips to China
** AXTI shares have more than tripled this year
(Reporting by Medha Singh)
((medha.singh@thomsonreuters.com))