QuantumScape is trading at $4.22, up 6.32% in after-hours trading following Q3 results and a planned production-line announcement; no source directly links either announcement to the exact move. - Reported adjusted EPS was -$0.14, beating the -$0.17 estimate. - The company announced a planned 100 MWh solid-state battery production line for data centers, aerospace and defense, targeting production in 2028.