QuantumScape Corporation's stock jumped 16.56% to $14.36 on October 1, 2025, after announcing a strategic partnership with Corning. The collaboration focuses on developing ceramic separator manufacturing for solid-state lithium-metal batteries, aiming to enhance energy density and safety. QuantumScape's CEO emphasized Corning's ceramic expertise as crucial to the partnership, marking a significant move towards battery commercialization. The company's stock has risen 175% year-to-date.