Five things to know ahead of today's opening bell. Open AAI is talking with Amazon about the tech giant possibly investing in the AI startup and having Open AI use Amazon's chips. A source tells CNBC that Amazon's investment could top $10 billion.Self-driving car company Whimo is in talks to raise $15 billion in 2026. A person familiar with the matter tells CNBC that Whimo plans to raise the money from its parent company, Alphabet, as well as outside investors at a valuation as high as 110 billion. Spirit A ...