Yahoo Finance·2025-12-13 22:05Group 1: Tesla's Performance and Prospects - Tesla remains the top electric vehicle maker globally, but faced operational challenges in 2025 with revenue drops in Q1 and Q2 due to decreased automotive deliveries [3] - A recovery was noted in Q3 with a bounce-back in revenue and auto deliveries, although adjusted earnings per share (EPS) fell by 31% and gross margin pressure was felt due to the decline in regulatory credit sales [3] - The future stock performance in 2026 will likely depend on the progress of Tesla's robotaxi business, with current testing in Austin, Texas, and plans for full autonomy by year-end [4][5] Group 2: Rivian's Growth and Strategy - Rivian achieved significant milestones in 2025, including two consecutive quarters of positive gross margins, which unlocked a $1 billion equity investment from Volkswagen [6] - The company successfully mitigated tariff and supply chain pressures, leading to gross profit in Q3 [6] - Rivian's cost reduction strategies included revamping its SUV design and adopting a zonal architecture system, which minimized the number of electronic control units and wiring, facilitating its partnership with Volkswagen [7] Group 3: Comparative Outlook for 2026 - Tesla's 2026 stock performance is expected to hinge on its robotaxi ambitions, while Rivian's performance will be influenced by the launch of its new R2 SUV [8]