Tesla quarterly sales slump 13% amid backlash against Elon Musk
1. Tesla sales declined by 13% in Q1, disappointing analysts. 2. Deliveries were 336,681, below the expected 408,000. 3. Sales drop attributed to competition and backlash against Musk. 4. Tesla's stock has halved since mid-December peak. 5. Rivals like BYD are improving offerings, impacting Tesla's market share.