This Company Plays a Crucial Role in Building Semiconductors. Does That Make Its Stock a Buy?

Semiconductor stocks have been hot over the past year on increased demand due to artificial intelligence (AI). Axcelis Technologies (ACLS -0.84%) is one stock that hasn't joined the party. Shares have fallen 15% over the past year, lagging behind the broader market.Is this under-the-radar company an undiscovered gem, or is something amiss?Here is what you need to know about this company, which plays a vital role in manufacturing certain semiconductors.What role does Axcelis play in the semiconductor industr ...