Tesla’s big technology showcase appears to have missed the mark after an underwhelming series of announcements and reveals at the company’s Oct. 10 “We, Robot” event in Hollywood, California. The company’s stocks have taken a nearly 8% hit in the wake of the event while rival Uber’s are up by almost 9% at the time of writing. Related: Musk’s robotaxi reveal could be make-or-break moment for Tesla Autonomous vehicles and the “Optimus” humanoid robot were at the center of the event that saw the reveal of two new Tesla prototypes: “Cybercab” and “Cybervan.” The vehicles were shown off without ste…