Instead, you'll want to find a company with an enduring business model, strong competitive advantage, and a clear path to long-term growth on the top and bottom lines. One stock that fits all three of those categories is Arm Holdings (ARM -0.70%), which is best known for licensing its CPU architecture to partners like Nvidia and Apple. Why Arm is a good long-term betArm has a unique business model in the semiconductor sector. It also shows how the company is set up well for long-term growth. First, the company's CPU architecture is much better at conserving battery power than the competing x86 platform from Intel and AMD.