Odaily Planet Daily News: Elon Musk's artificial intelligence startup xAI has completed a $6 billion Series B financing, and its post-investment valuation has reached $24 billion. According to the official news, xAI announced that it has completed a $6 billion Series B financing, with a16z and other investors participating; Musk said that xAI's pre-investment valuation was $18 billion. (Reuters)