Tesla shares are trading marginally lower Tuesday afternoon. Investors continue to weigh the company's long-term artificial intelligence ambitions.

Grok, the AI chatbot by Elon Musk’s company xAI, rolled out in Tesla vehicles earlier this month alongside a recent software update. Adapted to be controlled with your voice, GrokAI can’t currently control any vehicle functions.

Meanwhile, another artificial intelligence (AI)-powered transportation stock has rocketed higher this year, partly due to its emerging autonomous driving business. Lately, the stock seems to go up when Tesla goes down and vice versa. Is it the ultimate threat to Tesla's autonomous driving ambitions?

Tesla's Q2 results confirmed deteriorating fundamentals: deliveries and revenue declined, margins compressed. Read why I rate TSLA stock as Hold.

Despite a 12% revenue decline, margin pressure, and reports that the company is behind schedule on its 2025 Optimus robot production goal, retail investors remained bullish on Tesla.

Meta appoints chief scientist, China pushes for global AI body, OpenAI warns startups, Tesla's shareholder proposal, Walmart's AI overhaul.