QuantumScape (QS 18.95%), a developer of solid-state lithium batteries, hasn't commercialized any of its products or generated any revenue yet. But could QuantumScape's stock set you up for life? The solid-state battery market could expand at a compound annual growth rate of 56.6% from 2025 to 2030, according to Grand View Research. As an early mover in this nascent market, QuantumScape is well-positioned to profit from that rapid secular expansion. So for now, I wouldn't call QuantumScape a stock that could "set you up for life" at these levels.