CBAT ▼ -4.7% - CBAK Energy Technology Limited $CBAT - CBAK Energy Signs Investment Agreement for 12 GWh Sodium-Ion Battery Project in Nanjing CBAK Energy Technology signed an investment agreement for a 12 GWh sodium-ion battery production facility in Nanjing, but the stock fell 4.7% today, suggesting investors may have concerns about project execution, capital requirements, or competitive pressures in the sodium-ion battery sector despite the expansion announcement. 23-SEP-2026 09:00 AM ET