Key Takeaways Elon Musk bought $1B of Tesla stock, sparking a rally and renewed investor excitement.Tesla faces delivery declines, revenue pressure, and intensifying EV competition.Ambitious bets on AI, robotaxis, and robotics could take years to impact results.Tesla (TSLA) grabbed headlines on Monday after CEO Elon Musk scooped up$1 billion worth of company shares, signaling a renewed focus. Retail investors cheered it as a vote of confidence, sending the stock up about 4% to cross the $400 mark. The rall ...