QuantumScape (QS), the leading commercial developer of solid-state batteries, has now rallied for nine consecutive sessions. This has led the battery maker to a new three-year high with shares reaching $15.03 in Friday’s afternoon session. QuantumScape continues to benefit from news of its state-of-the-art Cobra separator process reaching production goals, which will allow the company to begin commercializing its battery technology over the next two years. The broader market has seen inves...