CATL up 45% and Sungrow 130% as AI demand boosts China's energy tech in 2025
Chinese battery and power‑equipment stocks have rallied in 2025 as AI data centers ramp up procurement. CATL shares are up 45% and Sungrow has climbed 130%, while Shenzhen's CSI New Energy index has gained 38%. Export demand and pricing power are lifting profits as domestic competition keeps margins thin.