QuantumScape (NYSE: QS) hasn't made any new announcements this week, but the electric vehicle (EV) battery maker's stock was still down by more than 11% as trading gets underway Friday, according to data provided by S&P Global Market Intelligence.

The company seeking to revolutionize EV battery technology did, however, make news last week. The drop through Thursday has QuantumScape shares lower by about 20% since the company reported its fourth-quarter results on Feb. 14. That day it also announced it was replacing its CEO as it moves toward commercialization of its solid-state battery technology.

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Source Fool.com