By Poornima WEERASEKARA, Luna LIN Agence France-Presse BEIJING, May 25, 2023 (AFP) — Beijing’s restrictions on American chipmaker Micron in retaliation to sweeping US chip curbs mark a major step up in its response to Washington’s pressure and could open the door for further measures in the geopolitical standoff, analysts say. But they warned President Xi Jinping’s ability to raise the stakes will be limited as he battles to re-energize the world’s number two economy […]