Advances in chips, chipmaking equipment and AI models disrupt stocks by threatening the edges of existing leaders, investors say.

CXMT is China’s biggest memory chipmaker and its debut comes amid an AI-driven demand boom that has boosted the stock price of its rivals Micron, Samsung and SK Hynix.

China's leading memory chipmaker CXMT became the most valuable company in the mainland after soaring 500 percent on its market debut Monday, underscoring the impact of AI-driven…