Has the turnaround started for this embattled electric automaker?Patience is a virtue in financial markets. Sometimes it can pay to wait until an overvalued stock gets cheap enough to earn a place in your portfolio. And with shares down by over 80% from their peak, Rivian Automotive (RIVN +0.48%) might deserve a closer look. Let's dig deeper to find out if the embattled electric vehicle (EV) maker can bounce back as it expands its business model and potentially benefits from a thinning of the competition as ...