It wasn't so long ago that investors were looking at QuantumScape (QS +1.81%) stock and celebrating. QuantumScape stock is down more than 50% year to date as of this writing. With shares hovering around their 52-week low, savvy investors may recognize now as an ideal time to power their portfolios with this innovative battery stock. More recently, on July 24, TD Cowen slashed its price target on QuantumScape stock to $6 from $8. Since QuantumScape doesn't generate revenue, traditional valuation metrics don't apply to QuantumScape stock, but with shares hovering around their 52-week low, now's a reasonable time to consider a position.