CoreWeave stock rallies as it introduces new AI tools for developers

Core Points - CoreWeave shares increased by up to 8% following the announcement of new tools aimed at assisting programmers in developing AI agents [1] - The new serverless reinforcement learning service allows automatic adjustment of computing power, eliminating the need for manual intervention [1] - Developers using CoreWeave's service can train models 40% faster and at 40% lower costs compared to using Nvidia H100 GPUs locally, without compromising model quality [2] - The launch of the new service follows CoreWeave's $1 billion acquisition of Weights and Biases, a startup focused on software for training and evaluating AI models, enhancing its existing business of renting Nvidia GPUs [3]