Tesla (TSLA) holds its annual shareholder meeting Tuesday after the market closes. The event takes place days after Chief Executive Elon Musk announced there will be a new person heading up Twitter, signaling to TSLA shareholders he may have more time to spend on the global electric-vehicle giant. X There is a level of uncertainty going into the gathering, with Tesla possibly choosing to disclose new details on the Cybertruck, a revamped Model 3, a next-generation EV, updates on battery developments and more. However, Musk and Tesla executives could also stay mum on new products and instead highlight production cost...