The nuclear energy start-up is more than 30% off its recent highs, and nobody knows where it will go next.For the past couple of months, I've been fixated on the stock performance of nuclear start-up Oklo (OKLO +4.96%). The developer of small modular reactors (SMRs) has seen its shares go on an absolute roller coaster ride, rising 50% in September, hitting a high of $174.14 per share in October, and it's now down more than 30% from that high in November.What makes this roller coaster ride so interesting is ...