These AI-focused stocks look like long-term winners.While AI chip makers are the most obvious beneficiaries of the AI revolution, AI is acting as a tailwind for countless other companies as well. Arista Networks (ANET -0.42%) and Oracle (ORCL 1.78%) are benefiting in different ways, and both stocks look like great buy-and-hold opportunities.Arista NetworksAs powerful AI chips fill data centers, fast and efficient networking becomes critical. Unlike many other types of workloads, AI workloads require powerfu ...