Getty Images; Alyssa Powell/BI The US's ban on advanced AI chips fuels a rally in China's semis, pulling investors into local firms. China's tech surge stems from DeepSeek's breakout and fierce competition among homegrown chipmakers. Cambricon and giants like Alibaba and Tencent are leading the charge in China's market rally. A US ban on advanced AI chip exports has supercharged China's chip stocks, sending investors piling into homegrown players. The stock boom has gotten so intense that at least ...