Investing.com -- The hits keep coming for CoreWeave, which was up 19% yesterday after a flood of strong Big Tech quarterly results ignited a broad rally across AI infrastructure names. At current market levels, Fish sees a better risk-reward profile associated with CoreWeave, pointing to near-term execution and estimate risks around Nebius. Both companies are positioned to gain share in the early stages of a sweeping AI-infrastructure build-out that Piper Sandler terms "Megawatt Mania." However, long-duration contracts and Master Services Agreements (MSAs) yield strong visibility, exposure to high-growth AI use-cases, and steady long-term cash flows. CoreWeave's Software and Financing EdgeWhen evaluating CoreWeave specifically, Piper Sandler highlighted its software orchestration stack, SUNK, and its broader engineering team as key differentiators that reduce cost per token and enable multi-cloud deployments.