Axcelis Technologies is one of the cheapest stocks in the chip sector, and it's packed with long-term potential. Semiconductor stocks have been a focal point for investors over the past year, with the likes of Nvidia and Advanced Micro Devices winning most of the attention because of their fast-growing presence in artificial intelligence (AI). But the AI opportunity is rapidly expanding, and one under-the-radar chip specialist says it's very excited to play a significant role in the industry, one that could ...