In this articleBIDU700-HKNiphon | Istock | Getty ImagesTencent and Baidu, two of China's largest technology companies, revealed how they're keeping in the global artificial intelligence race even as the U.S. tightens some curbs on key semiconductors.The business' methods include stockpiling chips, making AI models more efficient and even using homegrown semiconductors.While the administration of U.S. President Donald Trump scrapped one controversial Biden-era chip rule, it still tightened exports of some se ...