Tech stocks today: OpenAI raises $110 billion, Anthropic rejects Defense Department AI demands

Funding and Valuation - OpenAI raised $110 billion in a record-breaking funding round, with a pre-money valuation of $730 billion [1] Corporate Developments - OpenAI CEO Sam Altman indicated the company is working on a deal to help resolve the conflict between rival Anthropic and the Department of Defense [2] - Anthropic's CEO Dario Amodei announced the company would sever ties with the government rather than comply with its demands regarding AI model usage [3] Industry Impact - Block co-founder Jack Dorsey announced a layoff of 40% of the company's staff, totaling 4,000 employees, citing changes in operations due to AI tools [4] - Nvidia's fourth quarter earnings and an upcoming product launch from Apple are significant points of interest for tech investors [5]