Tesla shares fell 4.4% post-earnings as Q2 revenue dropped 12% YoY - the worst since 2012 - due to lower EV sales and pricing. CEO Elon Musk warned of rough quarters ahead, citing high R&D costs and regulatory risks. Still, hopes for affordable EVs and robotaxi rollout in 2025 cushioned some downside. Retail sentiment turned bearish, with traders bracing for volatility.