# Sodium-ion Batteries

Beyond the 2015 Peak: China’s Equity Markets Surge on AI Hardware Fever

China's ChiNext index hit a new historical high as the Shanghai Composite surpassed 4,100 points, driven by massive investment in AI hardware and optical modules. Breakthroughs in sodium-ion battery technology and a surge in AI-integrated consumer electronics have further fueled investor optimism about China's industrial upgrade.