Elon Musk’s artificial intelligence company xAI issued a lengthy apology Saturday for a series of violent and antisemitic posts from its Grok chatbot this week, blaming a system update.

Alexa Plus knows more, can do more, and is easier to interact with because it understands more. I can ramble, pause, sigh, ...

AI raised $10 billion through loans and cash investments in July, split evenly between debt and equity. In June it sold $300 ...