1. Tesla shares peaked at $489.48, rebounding after Q1 decline. 2. Musk announced driverless vehicle testing in Austin, fueling investor optimism. 3. Sales dropped due to tax credit loss and market competition. 4. Mizuho raised its price target for Tesla to $530, maintaining a buy recommendation. 5. New affordable models are struggling, resulting in U.S. sales at a four-year low.